add svn keywords (packager)

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@40516 15284696-431f-4ddb-bdfa-cd5b030d7da7

mswindows/GRASS-Packager.bat

@@ -3,7 +3,7 @@ rem Self Contained GRASS Automated Packager
 rem -----------------------------------------------------------------------------------------------------------------------
 rem Edited by: Marco Pasetti
 rem Revised for OSGeo4W by: Colin Nielsen, Helmut Kudrnovsky, and Martin Landa
-rem Last Update: 17 Jan 2010
+rem Last Update: $Id$
 rem -----------------------------------------------------------------------------------------------------------------------
 
 @echo off