[gnome-flashback/gnome-3-20] desktop-background: disconnect from right object

[Alberts Muktupāvels <muktupavels src gnome org>]

commit 2454ad378764928dffc14a8cc2177ce8a986bf3e
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Fri Nov 4 22:45:35 2016 +0200

    desktop-background: disconnect from right object

 .../libdesktop-background/gf-desktop-background.c  |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gnome-flashback/libdesktop-background/gf-desktop-background.c 
b/gnome-flashback/libdesktop-background/gf-desktop-background.c
index dae5983..eca5813 100644
--- a/gnome-flashback/libdesktop-background/gf-desktop-background.c
+++ b/gnome-flashback/libdesktop-background/gf-desktop-background.c
@@ -149,7 +149,7 @@ gf_desktop_background_dispose (GObject *object)
 
   if (background->change_event_id != 0)
     {
-      g_signal_handler_disconnect (screen, background->change_event_id);
+      g_signal_handler_disconnect (background->settings, background->change_event_id);
       background->change_event_id = 0;
     }