Change the version of GPL

bzr revid: stephane@tinyerp.com-20081103181149-pb82brn8yybbuss0

openerp-server-installer.nsi

@@ -11,7 +11,7 @@
 #
 # This program is Free Software; you can redistribute it and/or
 # modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
+# as published by the Free Software Foundation; either version 3
 # of the License, or (at your option) any later version.
 #
 # This program is distributed in the hope that it will be useful,