[gtk+/resizegrips] Fix resize grip drawing in GtkAssistant

[Matthias Clasen <matthiasc src gnome org>]

commit d2c1b3e8cbe46e1b585eb3b8ec5779c14eb463a4
Author: Matthias Clasen <mclasen redhat com>
Date:   Fri Oct 8 01:08:24 2010 -0400

    Fix resize grip drawing in GtkAssistant
    
    Chain up in the draw() implementation of GtkAssistant to let
    GtkWindow draw the resize grip.

 gtk/gtkassistant.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/gtk/gtkassistant.c b/gtk/gtkassistant.c
index ce3d8d0..ba9c06b 100644
--- a/gtk/gtkassistant.c
+++ b/gtk/gtkassistant.c
@@ -1444,6 +1444,9 @@ gtk_assistant_draw (GtkWidget *widget,
   GtkAssistantPrivate *priv = assistant->priv;
   GtkContainer *container = GTK_CONTAINER (widget);
 
+  if (GTK_WIDGET_CLASS (gtk_assistant_parent_class)->draw)
+    GTK_WIDGET_CLASS (gtk_assistant_parent_class)->draw (widget, cr);
+
   assistant_paint_colored_box (widget, cr);
 
   gtk_container_propagate_draw (container, priv->header_image, cr);