[gnome-shell] shell-gtk-embed: Lower tray icon windows to the bottom of the stack

[Adel Gadllah <agadllah src gnome org>]

commit 0509bb9bb4dd60558a4011ae18fc93a38d87fedf
Author: Adel Gadllah <adel gadllah gmail com>
Date:   Thu May 30 00:53:37 2013 +0200

    shell-gtk-embed: Lower tray icon windows to the bottom of the stack
    
    Otherwise they break the "top level window" detection used by the
    unredirect code in mutter, causes game windows not to be unredirected
    when tray icons are present.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=701224

 src/shell-gtk-embed.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/src/shell-gtk-embed.c b/src/shell-gtk-embed.c
index 045435e..bfff044 100644
--- a/src/shell-gtk-embed.c
+++ b/src/shell-gtk-embed.c
@@ -106,6 +106,8 @@ shell_gtk_embed_window_created_cb (MetaDisplay   *display,
                                              0, 0 /* offset x/y */);
       cairo_region_destroy (empty_region);
 
+      gdk_window_lower (gdk_window);
+
       /* Now that we've found the window we don't need to listen for
          new windows anymore */
       g_signal_handler_disconnect (display,