[at-spi2-atk] When an object goes away, remove from queue of pending cache additions

[Mike Gorse <mgorse src gnome org>]

commit 85af8a25e4fa1c4a65cdbe145b70c334aac97e48
Author: Mike Gorse <mgorse linux-l2tz site>
Date:   Sat Jan 21 12:13:02 2012 -0600

    When an object goes away, remove from queue of pending cache additions
    
    Items are added to the cache in an idle (see commit 75ff19), meaning
    that it is possible for an object to go away between the time it is
    queued for addition and the time the additions are made.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=666371

 atk-adaptor/accessible-cache.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/atk-adaptor/accessible-cache.c b/atk-adaptor/accessible-cache.c
index fa6b561..943a320 100644
--- a/atk-adaptor/accessible-cache.c
+++ b/atk-adaptor/accessible-cache.c
@@ -179,6 +179,8 @@ remove_object (GObject * source, GObject * gobj, gpointer data)
       g_signal_emit (cache, cache_signals [OBJECT_REMOVED], 0, gobj);
       g_hash_table_remove (cache->objects, gobj);
     }
+  else
+    g_queue_remove (cache->add_traversal, gobj);
 }
 
 static void