[gnome-backgrounds] provide license info for the last missing wallpaper

[Jakub Steiner <jimmac src gnome org>]

commit a470f3353fd621f2f55de3957151efa51aa106f7
Author: Jakub Steiner <jimmac gmail com>
Date:   Wed Sep 3 16:05:22 2014 +0200

    provide license info for the last missing wallpaper
    
    https://bugzilla.gnome.org/show_bug.cgi?id=735803

 AUTHORS |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/AUTHORS b/AUTHORS
index 500c145..27db502 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -21,6 +21,7 @@ Image Authors:
 - Blinds.jpg:
   Copyright © 2008 Lennart Poettering <mztabzr 0pointer de>
   Copyright © 2008 Andrea Cimitan
+  Licensed under Creative Commons Attribution-ShareAlike 3.0 License.
 
 - Fabric.jpg:
   Copyright © 2011 Quinn Dombrowski