[gtk+] Revert "gdk: Don't crash when resetting cursor"

[Bastien Nocera <hadess src gnome org>]

commit 0c6b54aa4425bd017e30164f2d4f8b031fb56725
Author: Bastien Nocera <hadess hadess net>
Date:   Tue May 15 17:57:33 2012 +0100

    Revert "gdk: Don't crash when resetting cursor"
    
    Patch didn't get reviewed yet.
    
    This reverts commit 779591b62fbc5ee4ebf9912a4416b655cdcf4e32.

 gdk/gdkwindow.c |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)
---
diff --git a/gdk/gdkwindow.c b/gdk/gdkwindow.c
index b7e6a13..2683073 100644
--- a/gdk/gdkwindow.c
+++ b/gdk/gdkwindow.c
@@ -7805,8 +7805,7 @@ update_cursor (GdkDisplay *display,
    * which native window has what cursor set. */
   toplevel = get_event_toplevel (pointer_window);
   impl_class = GDK_WINDOW_IMPL_GET_CLASS (toplevel->impl);
-  if (impl_class->set_device_cursor)
-    impl_class->set_device_cursor (toplevel, device, cursor);
+  impl_class->set_device_cursor (toplevel, device, cursor);
 }
 
 static gboolean