[gnome-control-center] po: Add an unused source to the skip file

[Bastien Nocera <hadess src gnome org>]

commit cf3da38691b3d309be3c641c7151268dbd91983a
Author: Bastien Nocera <hadess hadess net>
Date:   Fri Jun 10 15:31:00 2016 +0200

    po: Add an unused source to the skip file

 po/POTFILES.skip |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/po/POTFILES.skip b/po/POTFILES.skip
index ef7a67d..6c8b0c1 100644
--- a/po/POTFILES.skip
+++ b/po/POTFILES.skip
@@ -1,3 +1,4 @@
+egg-list-box/egg-flow-box.c
 libgd/libgd/gd-header-bar.c
 panels/background/gnome-background-panel.desktop.in
 panels/bluetooth/gnome-bluetooth-panel.desktop.in