[gnome-flashback] sound-applet: update submodule

[Alberts Muktupāvels <muktupavels src gnome org>]

commit 314de52b6bce464a468d8752827b9771252fd9c3
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Mon Feb 22 16:02:34 2016 +0200

    sound-applet: update submodule

 gnome-flashback/libsound-applet/gvc |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gnome-flashback/libsound-applet/gvc b/gnome-flashback/libsound-applet/gvc
index 3af2560..0a50079 160000
--- a/gnome-flashback/libsound-applet/gvc
+++ b/gnome-flashback/libsound-applet/gvc
@@ -1 +1 @@
-Subproject commit 3af25601db68387e7818f87c2c3144ea4431c14a
+Subproject commit 0a500795bde6254e14eda9be03904b7015a84146