quick-install-emacs: Use more portable shell syntax

admin/ChangeLog

 2010-03-10  Miles Bader  <miles@gnu.org>
 
-	* quick-install-emacs (AVOID): Be more picky about files we avoid
+	* quick-install-emacs: Use more portable shell syntax.
+
+	* quick-install-emacs: (AVOID): Be more picky about files we avoid
 	installing.
 
 2010-02-14  Juanma Barranquero  <lekktu@gmail.com>

admin/quick-install-emacs

@@ -120,7 +120,7 @@ Written by Miles Bader <miles@gnu.org>
 EOF
       exit 0
       ;;
-    -[^-]?*)
+    -[!-]?*)
       # split concatenated single-letter options apart
       FIRST="$1"; shift
       set -- `echo $FIRST | sed 's/-\(.\)\(.*\)/-\1 -\2/'` "$@"