changed the renderer's getRenderLayer method to getRenderLayerId, which

always works even if the layer is not added to a map. Also removed an 
unneeded map.events.unregister from Control.SelectFeature. r=elemoine
(closes #2022)


git-svn-id: http://svn.openlayers.org/trunk/openlayers@9160 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

lib/OpenLayers/Layer/Vector/RootContainer.js

@@ -127,7 +127,7 @@ OpenLayers.Layer.Vector.RootContainer = OpenLayers.Class(OpenLayers.Layer.Vector
         var layer;
         for(var i=0; i<this.layers.length; ++i) {
             layer = this.layers[i];
-            if(layer.renderer.getRenderLayer() == this) {
+            if(this.renderer && layer.renderer.getRenderLayerId() == this.id) {
                 this.renderer.moveRoot(layer.renderer);
             }
         }