'supported' is defined, API-wise, to return 'false' if not supported, but the

VML test returns 'undefined' instead. Fix that with this patch from fredj.
(Closes #1165)


git-svn-id: http://svn.openlayers.org/trunk/openlayers@5237 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

lib/OpenLayers/Renderer/VML.js

@@ -61,8 +61,7 @@ OpenLayers.Renderer.VML = OpenLayers.Class(OpenLayers.Renderer.Elements, {
      * {Boolean} The browser supports the VML renderer
      */
     supported: function() {
-        var supported = document.namespaces;
-        return supported;
+        return !!(document.namespaces);
     },    
 
     /**