when merging new params to untitled layer, we need to uppercase them for case-insensitivity like in the regular wms.

git-svn-id: http://svn.openlayers.org/branches/openlayers/2.0@1290 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

lib/OpenLayers/Layer/WMS/Untiled.js

@@ -177,8 +177,11 @@ OpenLayers.Layer.WMS.Untiled.prototype =
      * @param {Object} newParams
      */
     mergeNewParams:function(newParams) {
+        var upperParams = OpenLayers.Util.upperCaseObject(newParams);
+        var newArguments = [upperParams];
         OpenLayers.Layer.HTTPRequest.prototype.mergeNewParams.apply(this, 
-                                                                   arguments);
+                                                                 newArguments);
+        //redraw
         this.moveTo();
     },