Remove unused FSF source files.

Approved by:	re (hrs)

contrib/diff/FREEBSD-Xlist

@@ -1,17 +1,61 @@
 # $FreeBSD$
 
 INSTALL
-config/
-m4/
-ms/
-po/
-src/Makefile.in
-lib/posix/Makefile.in
-lib/Makefile.in
-doc/Makefile.in
-man/Makefile.in
+Makefile.am
 Makefile.in
 aclocal.m4
+bootstrap
 config.hin
+config/
 configure
 configure.ac
+doc/Makefile.am
+doc/Makefile.in
+doc/diagmeet.note
+exgettext
+lib/Makefile.am
+lib/Makefile.in
+lib/alloca.c
+lib/alloca_.h
+lib/dirname.c
+lib/fnmatch.c
+lib/fnmatch_.h
+lib/fnmatch_loop.c
+lib/getopt.c
+lib/getopt1.c
+lib/getopt_int.h
+lib/gettimeofday.c
+lib/imaxtostr.c
+lib/inttostr.c
+lib/malloc.c
+lib/mkstemp.c
+lib/offtostr.c
+lib/posix/Makefile.in
+lib/realloc.c
+lib/regex.c
+lib/regex.h
+lib/setmode.c
+lib/stdbool_.h
+lib/strcasecmp.c
+lib/stripslash.c
+lib/strncasecmp.c
+lib/strtol.c
+lib/strtoll.c
+lib/strtoul.c
+lib/strtoull.c
+lib/tempname.c
+lib/time_r.c
+lib/time_r.h
+lib/umaxtostr.c
+lib/waitpid.c
+lib/xstrdup.c
+lib/xstrtol.c
+lib/xstrtoul.c
+lib/xstrtoumax.c
+m4/
+man/Makefile.am
+man/Makefile.in
+ms/
+po/
+src/Makefile.am
+src/Makefile.in