gnupload self-url?

[Karl Berry]

I was thinking it might be useful for gnupload --help to tell users
(i.e., maintainers) how to get the latest version of the script.
Wdyt?

--- /u/karl/gnu/src/automake/lib/ORIG/gnupload  2008-11-13 08:10:36.000000000 
-0800
+++ /u/karl/gnu/src/automake/lib/gnupload       2009-01-29 14:52:00.000000000 
-0800
@@ -3,5 +3,5 @@
 
-scriptversion=2008-11-12.21
+scriptversion=2009-01-29.14
 
-# Copyright (C) 2004, 2005, 2006, 2007, 2008  Free Software Foundation
+# Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation
 #
@@ -64,2 +64,5 @@
 
+You can get the latest version of this script from savannah:
+http://git.savannah.gnu.org/cgit/automake.git/plain/lib/gnupload
+
 Report bugs to <address@hidden>.