From fbfeb00545680019c66c71a211ead8def73bf98e Mon Sep 17 00:00:00 2001
From: "Owen W. Taylor" <otaylor@fishsoup.net>
Date: Mon, 11 Nov 2013 18:17:38 -0500
Subject: [PATCH] Fix warning with event compression on a destroyed window

Fix a critical message when we try to compress events for a window
that was already destroyed.
---
 gdk/gdkevents.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/gdk/gdkevents.c b/gdk/gdkevents.c
index 6d926aef2c..83c313cd34 100644
--- a/gdk/gdkevents.c
+++ b/gdk/gdkevents.c
@@ -316,7 +316,8 @@ _gdk_event_queue_handle_motion_compression (GdkDisplay *display)
       pending_motions == display->queued_tail)
     {
       GdkFrameClock *clock = gdk_window_get_frame_clock (pending_motion_window);
-      gdk_frame_clock_request_phase (clock, GDK_FRAME_CLOCK_PHASE_FLUSH_EVENTS);
+      if (clock) /* might be NULL if window was destroyed */
+	gdk_frame_clock_request_phase (clock, GDK_FRAME_CLOCK_PHASE_FLUSH_EVENTS);
     }
 }