[gnome-control-center] egg-list-box: Update to latest master

[Bastien Nocera <hadess src gnome org>]

commit f8c8088e48287a02d5b080607808d5bf32f868c6
Author: Bastien Nocera <hadess hadess net>
Date:   Mon Jan 28 10:29:01 2013 +0100

    egg-list-box: Update to latest master
    
    To add the keynav-failed signal for the power plugin

 egg-list-box |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/egg-list-box b/egg-list-box
index 33c2f96..ebcc7ed 160000
--- a/egg-list-box
+++ b/egg-list-box
@@ -1 +1 @@
-Subproject commit 33c2f9634ac3cbec95d868b3e16fadd678f8e525
+Subproject commit ebcc7ed3bd2782e29e56b5452a5d4080d4d87cc7