commit 8311cd5f89ca6781842bb24671b8122cdf8be148
  Author: Jeremy Huddleston <jeremyhu@freedesktop.org>
  Date:   Tue Mar 23 10:37:36 2010 -0700

      XKB: Fix garbage initialization

      XkbEnableDisableControls set extra garbage bits on the xkbControlsNotify
          changedControls mask because it was uninitialized on the stack.

      Found by clang
Signed-off-by: Jeremy Huddleston <jeremyhu@apple.com>
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Backported-to-nx-by: Ulrich Sibiller <uli42@gmx.de>