[gnome-shell] background: fix multimonitor background placement in overview

[Ray Strode <halfline src gnome org>]

commit 78e011d55873658957f680af079c3f6d22232497
Author: Ray Strode <rstrode redhat com>
Date:   Wed Mar 27 12:12:48 2013 -0400

    background: fix multimonitor background placement in overview
    
    This is like the previous commit but for monitor index, instead
    of effects.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=696712

 js/ui/background.js |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/js/ui/background.js b/js/ui/background.js
index 3cebe4e..88c79e2 100644
--- a/js/ui/background.js
+++ b/js/ui/background.js
@@ -242,6 +242,7 @@ const BackgroundCache = new Lang.Class({
             this._loadImageContent({ filename: params.filename,
                                      style: params.style,
                                      effects: params.effects,
+                                     monitorIndex: params.monitorIndex,
                                      cancellable: params.cancellable,
                                      onFinished: params.onFinished });