give tiles a reference back to their container OpenLayers.Grid

git-svn-id: http://svn.openlayers.org/trunk/openlayers@180 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

lib/OpenLayers/Tile/WFS.js

@@ -15,11 +15,12 @@ OpenLayers.Tile.WFS.prototype =
     /** 
     * @constructor
     *
+    * @param {OpenLayers.Grid} grid
     * @param {OpenLayers.Bounds} bounds
     * @param {String} url
     * @param {OpenLayers.Size} size
     */
-    initialize: function(bounds, url, size) {
+    initialize: function(grid, bounds, url, size) {
         OpenLayers.Tile.prototype.initialize.apply(this, arguments);
         
         this.features = new Array();