[gnome-desktop] gnome-bg: Fix memleak

[Bastien Nocera <hadess src gnome org>]

commit b85c5878f13eeb6b6777e2c6e6674b7c65db4e42
Author: Pavel Vasin <rat4vier gmail com>
Date:   Mon Mar 4 15:48:08 2013 +0400

    gnome-bg: Fix memleak
    
    https://bugzilla.gnome.org/show_bug.cgi?id=695116

 libgnome-desktop/gnome-bg-slide-show.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/libgnome-desktop/gnome-bg-slide-show.c b/libgnome-desktop/gnome-bg-slide-show.c
index d761244..1628b23 100644
--- a/libgnome-desktop/gnome-bg-slide-show.c
+++ b/libgnome-desktop/gnome-bg-slide-show.c
@@ -772,6 +772,7 @@ gnome_bg_slide_show_load_async (GnomeBGSlideShow    *self,
 
     file = g_file_new_for_path (self->priv->filename);
     g_file_load_contents_async (file, cancellable, (GAsyncReadyCallback) on_file_loaded, task);
+    g_object_unref (file);
 }
 
 /**