Add configure to r16_files and arc_files in .Sanitize

Remove references to .Sanitize in ChangeLogs, start updating
always sanitized away file HOW_TO_RELEASE.

gdb/.Sanitize

@@ -392,7 +392,7 @@ else
 	done
 fi
 
-r16_files="configure.in"
+r16_files="configure.in configure"
 
 if ( echo $* | grep keep\-r16 > /dev/null ) ; then
 	for i in $r16_files ; do
@@ -421,7 +421,7 @@ else
 	done
 fi
 
-arc_files="configure.in ChangeLog"
+arc_files="configure.in configure ChangeLog"
 
 if ( echo $* | grep keep\-arc > /dev/null ) ; then
 	for i in $arc_files ; do

gdb/ChangeLog-9091

@@ -2538,7 +2538,7 @@ Fri Aug 23 14:07:09 1991  Roland H. Pesch  (pesch at cygint.cygnus.com)
 
 	* doc/rdl-apps.texi: renamed from rdl-apps.texinfo
 
-	* Makefile.in, doc/Makefile, doc/.Sanitize, doc/gdb.texinfo:
+	* Makefile.in, doc/Makefile, doc/gdb.texinfo:
 	reflect above name change
 
 	* WHATS.NEW: correct pointer to refcard.
@@ -2763,7 +2763,6 @@ Tue Aug  6 17:16:15 1991  Roland H. Pesch  (pesch at cygint.cygnus.com)
 
 	* doc/Makefile: GDB documentation now has its own Makefile
 	  doc/refcard.tex: renamed from "gdbrc.tex"
-	  doc/.Sanitize: add Makefile; recognize renamed refcard.tex
 	  doc/gdbint.texinfo: add markup in "Cleanups" chapter
 
 

gdb/ChangeLog-94

@@ -3049,8 +3049,6 @@ Fri Jun 10 14:52:56 1994  Kung Hsu  (kung@mexican.cygnus.com)
 	unique.
 	* sparcl-stub.c: ditto.
 
-	* .Sanitize: add sparclite-stub.c sparclite-tdep.c to keep.
-
 	* sparclite/Makefile.in: fix INCLUDE_CFLAGS to have {srcdir}/../config.
 
 Fri Jun 10 10:38:15 1994  Jeff Law  (law@snake.cs.utah.edu)