[gnome-settings-daemon/gnome-3-4] housekeeping: Don't leak notification objects

[Bastien Nocera <hadess src gnome org>]

commit 9f951b2d6b9ebe7057f78415c55eab0e95893c7f
Author: Matthias Clasen <mclasen redhat com>
Date:   Fri Jun 29 23:58:04 2012 -0400

    housekeeping: Don't leak notification objects
    
    https://bugzilla.gnome.org/show_bug.cgi?id=679177

 plugins/housekeeping/gsd-disk-space.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/plugins/housekeeping/gsd-disk-space.c b/plugins/housekeeping/gsd-disk-space.c
index 7cc0273..cf10e49 100644
--- a/plugins/housekeeping/gsd-disk-space.c
+++ b/plugins/housekeeping/gsd-disk-space.c
@@ -292,7 +292,7 @@ empty_trash_callback (NotifyNotification *n,
 static void
 on_notification_closed (NotifyNotification *notification)
 {
-        notification = NULL;
+        g_object_unref (notification);
 }
 
 static gboolean