The redrawing of the listbox bar and buttons seem to be broken,

...only drawn once and never updated afterwards. Add a hack to fix the
bar problem before 1.5.3, a real fix will follow later.

src/gui/widgets/listbox.cpp

@@ -365,6 +365,13 @@ void tlistbox::draw(surface& surface, const bool force,
 	// Inherited.
 	tcontainer_::draw(surface, force, invalidate_background);
 
+	/**
+	 * @todo there seems to be a redraw bug with the scrollbar. Since we're in
+	 * a rush for a release just force a redraw. The buttons are also broken
+	 * but less important so leave them.
+	 */
+	scrollbar()->draw(surface, true, true);
+
 	if(invalidate_background) {
 		list_background_.assign(NULL);
 	}