[gtk+] Minor cleanup

[Matthias Clasen <matthiasc src gnome org>]

commit 25483304cdc967c374a435200416affb573583f8
Author: Matthias Clasen <mclasen redhat com>
Date:   Sat Oct 17 12:48:55 2015 -0400

    Minor cleanup
    
    Replace a unref-and-unset combination with g_clear_object.

 gdk/x11/gdkwindow-x11.c |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)
---
diff --git a/gdk/x11/gdkwindow-x11.c b/gdk/x11/gdkwindow-x11.c
index d08cee0..2ae8105 100644
--- a/gdk/x11/gdkwindow-x11.c
+++ b/gdk/x11/gdkwindow-x11.c
@@ -4933,8 +4933,7 @@ finish_drag (MoveResizeData *mv_resize)
 {
   gdk_window_destroy (mv_resize->moveresize_emulation_window);
   mv_resize->moveresize_emulation_window = NULL;
-  g_object_unref (mv_resize->moveresize_window);
-  mv_resize->moveresize_window = NULL;
+  g_clear_object (&mv_resize->moveresize_window);
   g_clear_pointer (&mv_resize->moveresize_pending_event, g_free);
 }