remove more redundant NULL checks
note that _XkbFree() is really Xfree()
Signed-off-by: Harms <wharms@bfs,de>
Reviewed-by: Rémi Cardona <remi@gentoo.org>
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Backported-to-NX-by: Ulrich Sibiller <uli42@gmx.de>