[gnome-desktop] Update libgsystem version

[Ryan Lortie <desrt src gnome org>]

commit b0414e293b30b8f9138fb82ece70b16e1188234a
Author: Ryan Lortie <desrt desrt ca>
Date:   Sun Dec 8 19:18:39 2013 -0500

    Update libgsystem version

 libgnome-desktop/libgsystem |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/libgnome-desktop/libgsystem b/libgnome-desktop/libgsystem
index 66140c0..1bd16c2 160000
--- a/libgnome-desktop/libgsystem
+++ b/libgnome-desktop/libgsystem
@@ -1 +1 @@
-Subproject commit 66140c018f044ba038ddb6bc1e6e97eb87d2b8f6
+Subproject commit 1bd16c24706b9053d7d9c509c137fe963cd5e319