[gnome-control-center] background: Fix compilation warning

[Bastien Nocera <hadess src gnome org>]

commit 0759090c725ab731f78c2190394138afc8b58939
Author: Bastien Nocera <hadess hadess net>
Date:   Wed Jun 25 12:31:46 2014 +0200

    background: Fix compilation warning

 panels/background/bg-colors-source.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/panels/background/bg-colors-source.c b/panels/background/bg-colors-source.c
index 740fa75..dd9ba97 100644
--- a/panels/background/bg-colors-source.c
+++ b/panels/background/bg-colors-source.c
@@ -111,6 +111,7 @@ bg_colors_source_constructed (GObject *object)
   g_object_unref (thumb_factory);
 }
 
+static void
 bg_colors_source_init (BgColorsSource *self)
 {
 }