[gnome-control-center] sound: Update submodule to fix duplicated Bluetooth devices

[Bastien Nocera <hadess src gnome org>]

commit 7ae145cc2be4254e0dd7fe8873fbc69e668f7606
Author: Bastien Nocera <hadess hadess net>
Date:   Wed Apr 1 14:13:34 2015 +0200

    sound: Update submodule to fix duplicated Bluetooth devices
    
    https://bugzilla.gnome.org/show_bug.cgi?id=697545

 panels/sound/gvc |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/panels/sound/gvc b/panels/sound/gvc
index e14dbe8..fac3a90 160000
--- a/panels/sound/gvc
+++ b/panels/sound/gvc
@@ -1 +1 @@
-Subproject commit e14dbe8aa6dfaeea4a9f3405cf2f3e238e88623b
+Subproject commit fac3a900e5de2c60d667c54f2727e806d29cff4b