Doc fix.

* configure.in (--with-x-toolkit): In the help text, say which options
are synonyms.

ChangeLog

 2010-03-18  Glenn Morris  <rgm@gnu.org>
 
+	* configure.in (--with-x-toolkit): In the help text, say which options
+	are synonyms.
+
 	* configure.in (--with-mmdf, --with-mail-unlink):
 	New options, off by default.
 	(--with-mailhost): New option to set default POP host.

configure.in

@@ -123,7 +123,7 @@ dnl This should be the last --with option, because --with-x is
 dnl added later on when we find the path of X, and it's best to
 dnl keep them together visually.
 AC_ARG_WITH([x-toolkit],[AS_HELP_STRING([--with-x-toolkit=KIT],
- [use an X toolkit (KIT one of: yes, lucid, athena, motif, gtk, no)])],
+ [use an X toolkit (KIT one of: yes or gtk, lucid or athena, motif, no)])],
 [	  case "${withval}" in
 	    y | ye | yes )	val=gtk ;;
 	    n | no )		val=no  ;;