Commit small change to destroy events objects when destroying objects with

events. This removes a number of minor memory leaks with creating/destroying
popups, layers, features, and markers.


git-svn-id: http://svn.openlayers.org/trunk/openlayers@2894 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

lib/OpenLayers/Popup.js

@@ -117,9 +117,11 @@ OpenLayers.Popup.prototype = {
     destroy: function() {
         if (this.map != null) {
             this.map.removePopup(this);
+            this.map = null;
         }
+        this.events.destroy();
+        this.events = null;
         this.div = null;
-        this.map = null;
     },
 
     /**