allow undef for the widget parameter of gtk_style_paint_box().
 -- muppet


diff -ru Gtk2-1.00-clean/xs/GtkStyle.xs Gtk2-1.00/xs/GtkStyle.xs
--- Gtk2-1.00-clean/xs/GtkStyle.xs	2003-09-26 03:56:34.000000000 -0400
+++ Gtk2-1.00/xs/GtkStyle.xs	2003-10-15 20:43:38.000000000 -0400
@@ -324,7 +324,7 @@
 	GtkStateType state_type
 	GtkShadowType shadow_type
 	GdkRectangle *area
-	GtkWidget *widget
+	GtkWidget_ornull *widget
 	const gchar *detail
 	gint x
 	gint y