[gtk+] Fix compilation warning: Use G_POINTER_TO_UINT

[Javier Jardón <jjardon src gnome org>]

commit 78151dc7d41069e876fe165527e68c238ef7fd4a
Author: Javier Jardón <jjardon gnome org>
Date:   Mon Nov 9 05:48:45 2009 +0100

    Fix compilation warning: Use G_POINTER_TO_UINT
    
    GPOINTER_TO_UINT() doesn't drops the upper 32 bits on Win64 anymore.
    The Glib commit e4194cb055e44f8a1bd2ab666ead9fa040bcdb89 solved this
    problem.

 gtk/gtkwindow.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtkwindow.c b/gtk/gtkwindow.c
index ffd9d8a..5fed54b 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 = GPOINTER_TO_UINT (embedded_windows->data);
 	  gdk_event_send_client_message_for_display (gtk_widget_get_display (widget), send_event, xid);
 	  embedded_windows = embedded_windows->next;
 	}