Localize stripped down gtk2

This is intended mainly for GNU/Linux distros who will remove
GTK2 support in the near future.

libs/tk/ytk/gtkplug-stub.c

@@ -0,0 +1,84 @@
+/* GTK - The GIMP Toolkit
+ * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+/* Stub implementation of backend-specific GtkPlug functions. */
+
+/*
+ * Modified by the GTK+ Team and others 1997-2000.  See the AUTHORS
+ * file for a list of people on the GTK+ Team.  See the ChangeLog
+ * files for a list of changes.  These files are distributed with
+ * GTK+ at ftp://ftp.gtk.org/pub/gtk/. 
+ */
+
+#include "gtkplug.h"
+#include "gtkplugprivate.h"
+#include "gtkalias.h"
+
+GdkNativeWindow
+_gtk_plug_windowing_get_id (GtkPlug *plug)
+{
+  return 0;
+}
+
+void
+_gtk_plug_windowing_realize_toplevel (GtkPlug *plug)
+{
+}
+
+void
+_gtk_plug_windowing_map_toplevel (GtkPlug *plug)
+{
+}
+
+void
+_gtk_plug_windowing_unmap_toplevel (GtkPlug *plug)
+{
+}
+
+void
+_gtk_plug_windowing_set_focus (GtkPlug *plug)
+{
+}
+
+void
+_gtk_plug_windowing_add_grabbed_key (GtkPlug        *plug,
+				     guint           accelerator_key,
+				     GdkModifierType accelerator_mods)
+{
+}
+
+void
+_gtk_plug_windowing_remove_grabbed_key (GtkPlug        *plug,
+					guint           accelerator_key,
+					GdkModifierType accelerator_mods)
+{
+}
+
+void
+_gtk_plug_windowing_focus_to_parent (GtkPlug         *plug,
+				     GtkDirectionType direction)
+{
+}
+
+GdkFilterReturn
+_gtk_plug_windowing_filter_func (GdkXEvent *gdk_xevent,
+				 GdkEvent  *event,
+				 gpointer   data)
+{
+  return GDK_FILTER_CONTINUE;
+}