[gtk+] Fix compilation warning: Use GDK_GPOINTER_TO_NATIVE_WINDOW() macro

[Javier Jardón <jjardon src gnome org>]

commit e8e82802a48a3bf2003a6f1451534a7f218c776b
Author: Javier Jardón <jjardon gnome org>
Date:   Tue Nov 10 20:26:59 2009 +0100

    Fix compilation warning: Use GDK_GPOINTER_TO_NATIVE_WINDOW() macro

 gtk/gtkwindow.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtkwindow.c b/gtk/gtkwindow.c
index ffd9d8a..1163fb8 100644
--- a/gtk/gtkwindow.c
+++ b/gtk/gtkwindow.c
@@ -5315,7 +5315,7 @@ send_client_message_to_embedded_windows (GtkWidget *widget,
       
       while (embedded_windows)
 	{
-	  GdkNativeWindow xid = (GdkNativeWindow) embedded_windows->data;
+	  GdkNativeWindow xid = GDK_GPOINTER_TO_NATIVE_WINDOW(embedded_windows->data);
 	  gdk_event_send_client_message_for_display (gtk_widget_get_display (widget), send_event, xid);
 	  embedded_windows = embedded_windows->next;
 	}