[gtk+] window: only account for decoration borders when we're client decorated

[Cosimo Cecchi <cosimoc src gnome org>]

commit a25e0a97d5faed9ff2699fe6d15e0b26ba98074d
Author: Cosimo Cecchi <cosimoc gnome org>
Date:   Sun Apr 21 14:44:24 2013 -0400

    window: only account for decoration borders when we're client decorated

 gtk/gtkwindow.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
---
diff --git a/gtk/gtkwindow.c b/gtk/gtkwindow.c
index 793a80e..10dfac9 100644
--- a/gtk/gtkwindow.c
+++ b/gtk/gtkwindow.c
@@ -8890,7 +8890,8 @@ gtk_window_draw (GtkWidget *widget,
 
   gtk_widget_get_allocation (widget, &allocation);
 
-  get_decoration_borders (widget, &title_border, &inner_border, &outer_border);
+  if (priv->client_decorated)
+    get_decoration_borders (widget, &title_border, &inner_border, &outer_border);
 
   if (!gtk_widget_get_app_paintable (widget) &&
       gtk_cairo_should_draw_window (cr, gtk_widget_get_window (widget)))