docs: try to find broken man references and fix them

Unfortunately methods I used to find and fix were based on quite manual
process that cannot be easily repeated so I do not see how this fix could be
turned into a tools/checkmans.sh addition.  Well, lets hope doing this
manually twice every decade is good enough.

Signed-off-by: Sami Kerola <kerolasa@iki.fi>

disk-utils/fdisk.8

@@ -94,7 +94,7 @@ specified in the format \fI+list\fP (e.g. \fB-o +UUID\fP).
 \fB\-s\fR, \fB\-\-getsz\fR
 Print the size in 512-byte sectors of each given block device.  This option is DEPRECATED
 in favour of
-.BR blockdev (1).
+.BR blockdev (8).
 .TP
 \fB\-t\fR, \fB\-\-type\fR \fItype\fR
 Enable support only for disklabels of the specified \fItype\fP, and disable

disk-utils/fsck.8

@@ -397,7 +397,7 @@ or
 .BR fsck.ext3 (8)
 or
 .BR e2fsck (8),
-.BR cramfsck (8),
+.BR fsck.cramfs (8),
 .BR fsck.jfs (8),
 .BR fsck.nfs (8),
 .BR fsck.minix (8),

disk-utils/sfdisk.8

@@ -157,7 +157,7 @@ Renumber the partitions, ordering them by their start offset.
 .BR \-s , " \-\-show\-size " [ \fIdevice ...]
 List the sizes of all or the specified devices in units of 1024 byte size.
 This command is DEPRECATED in favour of
-.BR blockdev (1).
+.BR blockdev (8).
 .TP
 .BR \-T , " \-\-list\-types"
 Print all supported types for the current disk label or the label specified by

misc-utils/fincore.1

@@ -54,7 +54,7 @@ Masatake YAMATO
 .SH "SEE ALSO"
 .BR mincore (2),
 .BR getpagesize (2),
-.BR getconf (1)
+.BR getconf (1p)
 .SH AVAILABILITY
 The fincore command is part of the util-linux package and is available from
 .UR https://\:www.kernel.org\:/pub\:/linux\:/utils\:/util-linux/

misc-utils/mcookie.1

@@ -59,7 +59,7 @@ It is assumed that none of the randomness sources will block.
 .I /dev/random
 .SH "SEE ALSO"
 .BR md5sum (1),
-.BR X (1),
+.BR X (7),
 .BR xauth (1),
 .BR rand (3)
 .SH AVAILABILITY

sys-utils/adjtime_config.5

@@ -20,7 +20,7 @@ The Hardware Clock is usually not very accurate.  However, much of its inaccurac
 or loses the same amount of time every day.  This is called systematic drift.  The util hwclock keeps the file /etc/adjtime,
 that keeps some historical information.
 For more details see "\fBThe Adjust Function\fR" and  "\fBThe Adjtime File\fR" sections from
-.BR hwckock (8)
+.BR hwclock (8)
 man page.
 .PP
 

sys-utils/fstab.5

@@ -73,7 +73,7 @@ remote filesystem to be mounted.
 .LP
 For ordinary mounts, it will hold (a link to) a block special
 device node (as created by
-.BR mknod (8))
+.BR mknod (2))
 for the device to be mounted, like `/dev/cdrom' or `/dev/sdb7'.
 For NFS mounts, this field is <host>:<dir>, e.g., `knuth.aeb.nl:/'.
 For filesystems with no storage, any string can be used, and will show up in

sys-utils/hwclock.8.in

@@ -810,7 +810,7 @@ and a precision timepiece, and then calculate the correction manually.
 .PP
 After setting the tick and frequency values, continue to test and refine the
 adjustments until the System Clock keeps good time.  See
-.BR \%adjtimex (8)
+.BR \%adjtimex (2)
 for more information and the example demonstrating manual drift
 calculations.
 .PP
@@ -983,7 +983,7 @@ may try for Hardware Clock access:
 .BR adjtimex (8),
 .BR gettimeofday (2),
 .BR settimeofday (2),
-.BR crontab (1),
+.BR crontab (1p),
 .BR tzset (3)
 .
 .SH AUTHORS

sys-utils/mount.8

@@ -2032,7 +2032,7 @@ utility which can be obtained from
 .TP
 .B user_xattr
 Enable Extended User Attributes.  See the
-.BR attr (5)
+.BR attr (1)
 manual page.
 .TP
 .B acl

sys-utils/prlimit.1

@@ -104,7 +104,7 @@ processes to unlimited.
 Set both the soft and hard CPU time limit to ten seconds and run 'sort'.
 
 .SH "SEE ALSO"
-.BR ulimit (1),
+.BR ulimit (1p),
 .BR prlimit (2)
 
 .SH NOTES

sys-utils/renice.1

@@ -89,7 +89,7 @@ own.  Furthermore, an unprivileged user can only
 the ``nice value'' (i.e., choose a lower priority)
 and such changes are irreversible unless (since Linux 2.6.12)
 the user has a suitable ``nice'' resource limit (see
-.BR ulimit (1)
+.BR ulimit (1p)
 and
 .BR getrlimit (2)).
 

sys-utils/setarch.8

@@ -95,14 +95,14 @@ manual page.  Turns on STICKY_TIMEOUTS.
 .TP
 \fB\-X\fR, \fB\-\-read\-implies\-exec\fR
 If this is set then
-.BR mmap (3)
+.BR mmap (3p)
 PROT_READ will also add the PROT_EXEC bit - as expected by legacy x86
 binaries.  Notice that the ELF loader will automatically set this bit when
 it encounters a legacy binary.  Turns on READ_IMPLIES_EXEC.
 .TP
 \fB\-Z\fR, \fB\-\-mmap\-page\-zero\fR
 SVr4 bug emulation that will set
-.BR mmap (3)
+.BR mmap (3p)
 page zero as read-only.  Use when
 .I program
 depends on this behavior, and the source code is not available to be fixed.

sys-utils/swapon.8

@@ -110,7 +110,7 @@ may also be used to skip non-existing device.
 .BR \-f , " \-\-fixpgsz"
 Reinitialize (exec mkswap) the swap space if its page size does not
 match that of the current running kernel.
-.BR mkswap (2)
+.BR mkswap (8)
 initializes the whole device and does not check for bad blocks.
 .TP
 .BR \-h , " \-\-help"

term-utils/script.1

@@ -116,7 +116,7 @@ Display help text and exit.
 The script ends when the forked shell exits (a
 .I control-D
 for the Bourne shell
-.RB ( sh (1)),
+.RB ( sh (1p)),
 and
 .IR exit ,
 .I logout

term-utils/setterm.1

@@ -232,7 +232,7 @@ its power-on state.
 Reset terminal size by assessing maximum row and column.  This is useful
 when actual geometry and kernel terminal driver are not in sync.  Most
 notable use case is with serial consoles, that do not use
-.BR ioctl (3)
+.BR ioctl (3p)
 but just byte streams and breaks.
 .TP
 \fB\-\-reverse\fP [\fBon\fP|\fBoff\fP]

text-utils/colrm.1

@@ -60,7 +60,7 @@ Display version information and exit.
 \fB\-h\fR, \fB\-\-help\fR
 Display help text and exit.
 .SH SEE ALSO
-.BR awk (1),
+.BR awk (1p),
 .BR column (1),
 .BR expand (1),
 .BR paste (1)

text-utils/line.1

@@ -11,7 +11,7 @@ copies one line (up to a newline) from standard input to standard output.
 It always prints at least a newline and returns an exit status of 1
 on EOF or read error.
 .SH "SEE ALSO"
-.BR read (1)
+.BR read (1p)
 .SH AVAILABILITY
 The line command is part of the util-linux package and is available from
 https://www.kernel.org/pub/linux/utils/util-linux/.

text-utils/pg.1

@@ -220,7 +220,7 @@ Determines the terminal type.
 .SH "SEE ALSO"
 .BR cat (1),
 .BR more (1),
-.BR sh (1),
+.BR sh (1p),
 .BR terminfo (5),
 .BR locale (7),
 .BR regex (7),

text-utils/ul.1

@@ -89,13 +89,13 @@ is set at login time, either by the default terminal type specified in
 or as set during the login process by the user in their
 .B login
 file (see
-.BR setenv (1)).
+.BR setenv (3)).
 .SH SEE ALSO
 .BR colcrt (1),
 .BR login (1),
 .BR man (1),
 .BR nroff (1),
-.BR setenv (1),
+.BR setenv (3),
 .BR terminfo (5)
 .SH BUGS
 .B nroff