[gtk+/client-side-windows] Fix too many args warning

[Alexander Larsson <alexl src gnome org>]

commit 953be03acf9a19952250df709e384bb9fb44a2aa
Author: Alexander Larsson <alexl redhat com>
Date:   Wed Jun 3 14:49:06 2009 +0200

    Fix too many args warning
    
    Apparently we missed one place when converting gdk_window_ensure_native
---
 tests/testwindows.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/tests/testwindows.c b/tests/testwindows.c
index c6543c6..ca8d8e5 100644
--- a/tests/testwindows.c
+++ b/tests/testwindows.c
@@ -692,7 +692,7 @@ native_window_clicked (GtkWidget *button,
     {
       window = l->data;
       
-      gdk_window_ensure_native (window, TRUE);
+      gdk_window_ensure_native (window);
     }
   
   g_list_free (selected);