Redraw control.panel when toggle controls are activated. Patch by

sbenthall (yay), r=me, (Closes #895) 


git-svn-id: http://svn.openlayers.org/trunk/openlayers@7597 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

lib/OpenLayers/Control/Panel.js

@@ -137,6 +137,7 @@ OpenLayers.Control.Panel = OpenLayers.Class(OpenLayers.Control, {
         if (!this.active) { return false; }
         if (control.type == OpenLayers.Control.TYPE_BUTTON) {
             control.trigger();
+            this.redraw();
             return;
         }
         if (control.type == OpenLayers.Control.TYPE_TOGGLE) {
@@ -145,6 +146,7 @@ OpenLayers.Control.Panel = OpenLayers.Class(OpenLayers.Control, {
             } else {
                 control.activate();
             }
+            this.redraw();
             return;
         }
         for (var i = 0; i < this.controls.length; i++) {