[mutter] Fix stacking of the guard window

[Owen Taylor <otaylor src gnome org>]

commit d3111a9f07d3741501fb3a85cf3716c2cb362b27
Author: Owen W. Taylor <otaylor fishsoup net>
Date:   Wed Sep 24 16:16:27 2014 -0400

    Fix stacking of the guard window
    
    With the change to how hidden windows are stacked, the position
    of the guard window with respect to the hidden windows got flipped
    and the guard window was at the bottom of everything; fix it to
    be on top of the hidden windows.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=737233

 src/core/stack.c |    8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)
---
diff --git a/src/core/stack.c b/src/core/stack.c
index 15ea826..037e878 100644
--- a/src/core/stack.c
+++ b/src/core/stack.c
@@ -1056,10 +1056,6 @@ stack_sync_to_xserver (MetaStack *stack)
   all_root_children_stacked = g_array_new (FALSE, FALSE, sizeof (guint64));
   x11_hidden_stack_ids = g_array_new (FALSE, FALSE, sizeof (guint64));
 
-  /* The screen guard window sits above all hidden windows and acts as
-   * a barrier to input reaching these windows. */
-  g_array_append_val (x11_hidden_stack_ids, stack->screen->guard_window);
-
   meta_topic (META_DEBUG_STACK, "Top to bottom: ");
   meta_push_no_msg_prefix ();
 
@@ -1107,6 +1103,10 @@ stack_sync_to_xserver (MetaStack *stack)
   meta_topic (META_DEBUG_STACK, "\n");
   meta_pop_no_msg_prefix ();
 
+  /* The screen guard window sits above all hidden windows and acts as
+   * a barrier to input reaching these windows. */
+  g_array_append_val (x11_hidden_stack_ids, stack->screen->guard_window);
+
   /* Sync to server */
 
   meta_topic (META_DEBUG_STACK, "Restacking %u windows\n",