mdoc(7) police: Fixed the .Ex calls in manpages that describe more

than one utility.

PR:		docs/30437
Submitted by:	SUZUKI Koichi <koich@cac.co.jp>

usr.bin/compress/compress.1

@@ -153,7 +153,7 @@ coding (as used in the historical command pack), or adaptive Huffman
 coding (as used in the historical command compact), and takes less
 time to compute.
 .Sh DIAGNOSTICS
-.Ex -std
+.Ex -std compress uncompress zcat
 .Sh SEE ALSO
 .Rs
 .%A Welch, Terry A.

usr.bin/hexdump/hexdump.1

@@ -331,7 +331,7 @@ to specifying the
 .Fl x
 option.
 .Sh DIAGNOSTICS
-.Ex -std
+.Ex -std hexdump hd
 .Sh EXAMPLES
 Display the input in perusal format:
 .Bd -literal -offset indent

usr.sbin/rtsold/rtsold.8

@@ -34,7 +34,7 @@
 .Os
 .\"
 .Sh NAME
-.Nm rtsold
+.Nm rtsold , rtsol
 .Nd router solicitation daemon
 .\"
 .Sh SYNOPSIS
@@ -176,7 +176,7 @@ Advertisement packet has arrived on each
 then exit.
 .El
 .Sh DIAGNOSTICS
-.Ex -std
+.Ex -std rtsold rtsol
 .\"
 .Sh FILES
 .Bl -tag -width /var/run/rtsold.dump -compact