ganeti.http: Fix copyright header

Reviewed-by: ultrotter

lib/http.py

 #
 #
+
+# Copyright (C) 2007, 2008 Google Inc.
+#
 # 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 of the License, or