[gtk+/client-side-windows: 17/284] Avoid crash by not passing in NULL mask pointer to _gdk_windowing_get_pointer

[Alexander Larsson <alexl src gnome org>]

commit 2e3661e4535ae6449946871088dfc9054d1e4ea9
Author: Alexander Larsson <alexl redhat com>
Date:   Thu Dec 4 13:07:25 2008 +0100

    Avoid crash by not passing in NULL mask pointer to _gdk_windowing_get_pointer
---
 gdk/gdkdisplay.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/gdk/gdkdisplay.c b/gdk/gdkdisplay.c
index 1e0c45a..40efc15 100644
--- a/gdk/gdkdisplay.c
+++ b/gdk/gdkdisplay.c
@@ -522,6 +522,7 @@ gdk_window_real_window_get_pointer (GdkDisplay       *display,
   GdkWindowObject *private;
   GdkWindow *pointer_window;
   gint tmpx, tmpy;
+  GdkModifierType tmp_mask;
 
   private = (GdkWindowObject *) window;
 
@@ -546,7 +547,7 @@ gdk_window_real_window_get_pointer (GdkDisplay       *display,
       _gdk_windowing_window_get_pointer (display,
 					 pointer_window,
 					 &tmpx, &tmpy,
-					 NULL);
+					 &tmp_mask);
       /* Then convert that to a client side window */
       pointer_window = _gdk_window_find_descendant_at (pointer_window,
 						       tmpx, tmpy,