[gtk+/xi2] GdkWindow: Fix wrong cast.

[Carlos Garnacho <carlosg src gnome org>]

commit c0894b147132accde9e64e9d10ed6d169e7dda88
Author: Carlos Garnacho <carlos gnome org>
Date:   Sun Oct 4 12:27:34 2009 +0200

    GdkWindow: Fix wrong cast.

 gdk/gdkwindow.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gdk/gdkwindow.c b/gdk/gdkwindow.c
index 6832066..e9f0087 100644
--- a/gdk/gdkwindow.c
+++ b/gdk/gdkwindow.c
@@ -8988,7 +8988,7 @@ update_cursor (GdkDisplay *display,
   GdkDeviceGrabInfo *grab;
 
   pointer_info = _gdk_display_get_pointer_info (display, device);
-  pointer_window = (GdkWindowObject *) pointer_info->window_under_pointer;
+  pointer_window = pointer_info->window_under_pointer;
 
   /* We ignore the serials here and just pick the last grab
      we've sent, as that would shortly be used anyway. */