Patch for #438 from Tim Schaub: "forces untiled WMS layer to redraw on

mergeNewParams". Since the Untiled layer won't redraw if the map is not
outside the current bounds, we force it with a 'zoomChanged' flag, which 
indicates that the layer should redraw regardless.


git-svn-id: http://svn.openlayers.org/trunk/openlayers@2074 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

lib/OpenLayers/Layer/WMS/Untiled.js

@@ -193,7 +193,7 @@ OpenLayers.Layer.WMS.Untiled.prototype =
         OpenLayers.Layer.HTTPRequest.prototype.mergeNewParams.apply(this, 
                                                                  newArguments);
         //redraw
-        this.moveTo();
+        this.moveTo(null, true);
     },
     
     /** combine the layer's url with its params and these newParams.