[gnome-desktop] [gnome-bg] Be sure to unreference the file_monitor object during dispose

[Thomas Wood <thos src gnome org>]

commit cbed80b9b6fa07b27d828a9b0a05f12c03449fed
Author: Thomas Wood <thomas wood intel com>
Date:   Wed Aug 11 15:50:05 2010 +0100

    [gnome-bg] Be sure to unreference the file_monitor object during dispose
    
    Add a dispose handler and unreference the file_monitor object in it. The
    clear_cache function is also moved to dispose since it will unreference the
    pixbuf_cache object.

 libgnome-desktop/gnome-bg.c |   18 ++++++++++++++++--
 1 files changed, 16 insertions(+), 2 deletions(-)
---
diff --git a/libgnome-desktop/gnome-bg.c b/libgnome-desktop/gnome-bg.c
index e176334..47493d2 100644
--- a/libgnome-desktop/gnome-bg.c
+++ b/libgnome-desktop/gnome-bg.c
@@ -451,6 +451,21 @@ gnome_bg_init (GnomeBG *bg)
 }
 
 static void
+gnome_bg_dispose (GObject *object)
+{
+	GnomeBG *bg = GNOME_BG (object);
+
+	if (bg->file_monitor) {
+		g_object_unref (bg->file_monitor);
+		bg->file_monitor = NULL;
+	}
+
+	clear_cache (bg);
+
+	G_OBJECT_CLASS (gnome_bg_parent_class)->dispose (object);
+}
+
+static void
 gnome_bg_finalize (GObject *object)
 {
 	GnomeBG *bg = GNOME_BG (object);
@@ -475,8 +490,6 @@ gnome_bg_finalize (GObject *object)
 		bg->filename = NULL;
 	}
 
-	clear_cache (bg);
-
 	G_OBJECT_CLASS (gnome_bg_parent_class)->finalize (object);
 }
 
@@ -485,6 +498,7 @@ gnome_bg_class_init (GnomeBGClass *klass)
 {
 	GObjectClass *object_class = G_OBJECT_CLASS (klass);
 
+	object_class->dispose = gnome_bg_dispose;
 	object_class->finalize = gnome_bg_finalize;
 
 	signals[CHANGED] = g_signal_new ("changed",