[gtkglext] Remove redundant parent_class variable

[Mukund Sivaraman <muks src gnome org>]

commit 4693711e132d7d53fd417ae2075a57ff0a3118a9
Author: Mukund Sivaraman <muks banu com>
Date:   Tue Jul 20 20:52:59 2010 +0530

    Remove redundant parent_class variable

 gdk/gdkglwindow.c |    6 +-----
 1 files changed, 1 insertions(+), 5 deletions(-)
---
diff --git a/gdk/gdkglwindow.c b/gdk/gdkglwindow.c
index 6fe8728..d55617e 100644
--- a/gdk/gdkglwindow.c
+++ b/gdk/gdkglwindow.c
@@ -175,8 +175,6 @@ static void             gdk_gl_window_draw_drawable_with_src  (GdkDrawable
 static void             gdk_gl_window_class_init              (GdkGLWindowClass *klass);
 static void             gdk_gl_window_finalize                (GObject          *object);
 
-static gpointer parent_class = NULL;
-
 G_DEFINE_TYPE (GdkGLWindow,                     \
                gdk_gl_window,                   \
                GDK_TYPE_DRAWABLE)
@@ -194,8 +192,6 @@ gdk_gl_window_class_init (GdkGLWindowClass *klass)
 
   GDK_GL_NOTE_FUNC_PRIVATE ();
 
-  parent_class = g_type_class_peek_parent (klass);
-
   object_class->finalize = gdk_gl_window_finalize;
 
   drawable_class->create_gc              = gdk_gl_window_create_gc;
@@ -242,7 +238,7 @@ gdk_gl_window_finalize (GObject *object)
     g_object_remove_weak_pointer (G_OBJECT (glwindow->drawable),
                                   (gpointer *) &(glwindow->drawable));
 
-  G_OBJECT_CLASS (parent_class)->finalize (object);
+  G_OBJECT_CLASS (gdk_gl_window_parent_class)->finalize (object);
 }
 
 static GdkGC *