Even though we're deprecating them, we can't go back. WMS.Untiled and MapServer.Untiled both need to be able to clone correctly. Patch with tests. (See #1013)

git-svn-id: http://svn.openlayers.org/trunk/openlayers@4761 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

lib/OpenLayers/Layer/WMS/Untiled.js

@@ -40,5 +40,29 @@ OpenLayers.Layer.WMS.Untiled = OpenLayers.Class(OpenLayers.Layer.WMS, {
         OpenLayers.Console.warn(msg);
     },    
 
+    /**
+     * Method: clone
+     * Create a clone of this layer
+     *
+     * Returns:
+     * {<OpenLayers.Layer.WMS.Untiled>} An exact clone of this layer
+     */
+    clone: function (obj) {
+        
+        if (obj == null) {
+            obj = new OpenLayers.Layer.WMS.Untiled(this.name,
+                                                   this.url,
+                                                   this.params,
+                                                   this.options);
+        }
+
+        //get all additions from superclasses
+        obj = OpenLayers.Layer.WMS.prototype.clone.apply(this, [obj]);
+
+        // copy/set any non-init, non-simple values here
+
+        return obj;
+    }, 
+
     CLASS_NAME: "OpenLayers.Layer.WMS.Untiled"
 });