do not allow doubleclicks to fall through to map from mousetoolbar

git-svn-id: http://svn.openlayers.org/trunk/openlayers@1471 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

lib/OpenLayers/Control/MouseToolbar.js

@@ -64,6 +64,8 @@ OpenLayers.Control.MouseToolbar.prototype =
         
         btn.events = new OpenLayers.Events(this, btn, null, true);
         btn.events.register("mousedown", this, this.buttonClick); 
+        btn.events.register("dblclick", this, 
+                            OpenLayers.Util.safeStopPropagation); 
         btn.action = id;
         btn.title = title;
         btn.alt = title;