[gnome-shell] Restore gvc revision

[Florian Müllner <fmuellner src gnome org>]

commit 673d7038d8b3f4e1fa50df70e0d1bee843efc90a
Author: Florian Müllner <fmuellner gnome org>
Date:   Fri May 31 20:56:10 2013 +0200

    Restore gvc revision
    
    Commit 9d54e46ce74698 accidentally reverted to a previous revision.

 src/gvc |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/gvc b/src/gvc
index 03894ef..ed0ec42 160000
--- a/src/gvc
+++ b/src/gvc
@@ -1 +1 @@
-Subproject commit 03894efbcd010faf53bbc6e27256d27485f721b8
+Subproject commit ed0ec4240125ac9f0a6d7502aa29644d37b2eac2