[metacity] display: ignore DamageNotify in spew

[Alberts Muktupāvels <muktupavels src gnome org>]

commit 83b9d2deda3655b5b47976eedf912b84d49c106a
Author: Jasper St. Pierre <jstpierre mecheye net>
Date:   Sat Nov 3 15:26:21 2012 -0400

    display: ignore DamageNotify in spew

 src/core/display.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/src/core/display.c b/src/core/display.c
index efe996f..d228979 100644
--- a/src/core/display.c
+++ b/src/core/display.c
@@ -2967,6 +2967,9 @@ meta_spew_event (MetaDisplay *display,
       event->type == NoExpose)
     return;
 
+  if (event->type == (display->damage_event_base + XDamageNotify))
+    return;
+
   switch (event->type)
     {
     case KeyPress: