[gnome-flashback] desktop-background: use GTK_WINDOW_POPUP as window type

[Alberts Muktupāvels <muktupavels src gnome org>]

commit b13e8a930fa5e7e5813f8686a92fbab57f106ecc
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Sun Sep 13 19:07:46 2015 +0300

    desktop-background: use GTK_WINDOW_POPUP as window type
    
    Otherwise this window will appear in Ctrl-Alt-Tab dialog.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=754963

 .../libdesktop-background/desktop-window.c         |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gnome-flashback/libdesktop-background/desktop-window.c 
b/gnome-flashback/libdesktop-background/desktop-window.c
index f4a8746..215b768 100644
--- a/gnome-flashback/libdesktop-background/desktop-window.c
+++ b/gnome-flashback/libdesktop-background/desktop-window.c
@@ -119,7 +119,7 @@ desktop_window_new (void)
        GtkWindow *window;
 
        object = g_object_new (DESKTOP_WINDOW_TYPE,
-                              "type", GTK_WINDOW_TOPLEVEL,
+                              "type", GTK_WINDOW_POPUP,
                               "type-hint", GDK_WINDOW_TYPE_HINT_DESKTOP,
                               "decorated", FALSE,
                               "skip-pager-hint", TRUE,