[gnome-control-center] background: Fix test-chooser-dialog build with some linkers

[Kalev Lember <klember src gnome org>]

commit f08a22526c050d2032c926c5bc045927a646ea4a
Author: Kalev Lember <kalevlember gmail com>
Date:   Wed Oct 16 12:01:36 2013 +0200

    background: Fix test-chooser-dialog build with some linkers
    
    List missing libs for the libbackground-chooser.la convenience library.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=709302

 panels/background/Makefile.am |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/panels/background/Makefile.am b/panels/background/Makefile.am
index f24f8b3..2766207 100644
--- a/panels/background/Makefile.am
+++ b/panels/background/Makefile.am
@@ -40,6 +40,8 @@ libbackground_chooser_la_SOURCES =    \
        bg-colors-source.c              \
        bg-colors-source.h
 
+libbackground_chooser_la_LIBADD = $(PANEL_LIBS) $(BACKGROUND_PANEL_LIBS)
+
 libbackground_la_SOURCES =             \
        cc-background-panel.c           \
        cc-background-panel.h