Corrected GPL version

COPYRIGHT

@@ -5,9 +5,8 @@ Copyright (C) 2006-2008 Mario Danic, Thomas Schmitt
 
 
     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
-    (at your option) any later version.
+    it under the terms of the GNU General Public License version 2 as
+    published by the Free Software Foundation.
 
     This program is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of