[gnome-control-center/wip/jsparber/background: 53/58] [fix] add missing source to Makefile.am

[Julian Sparber <jsparber src gnome org>]

commit 239c9e1aec0bdd402e01cef46ac35e59dafbd18b
Author: Julian Sparber <julian sparber net>
Date:   Thu Nov 23 20:08:37 2017 +0100

    [fix] add missing source to Makefile.am

 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 57b1764..226c3e4 100644
--- a/panels/background/Makefile.am
+++ b/panels/background/Makefile.am
@@ -41,6 +41,8 @@ libbackground_la_SOURCES =            \
        bg-source.h                     \
        bg-wallpapers-source.c          \
        bg-wallpapers-source.h          \
+       bg-pictures-source.c            \
+       bg-pictures-source.h            \
        bg-colors-source.c              \
        bg-colors-source.h