patch for #485 -- prevents script error on destruction of layer due to null tile. test pass in ff & ie7

git-svn-id: http://svn.openlayers.org/trunk/openlayers@2226 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
2007-02-16 16:34:14 +00:00
parent 58b6946b2d
commit 99eaf40e5c
1 changed files with 4 additions and 2 deletions
--- a/lib/OpenLayers/Layer/WMS/Untiled.js
+++ b/lib/OpenLayers/Layer/WMS/Untiled.js
@@ -66,8 +66,10 @@ OpenLayers.Layer.WMS.Untiled.prototype =
     * 
     */
    destroy: function() {
-        this.tile.destroy();
-        this.tile = null;    
+        if (this.tile) {
+          this.tile.destroy();
+          this.tile = null;    
+        }
        OpenLayers.Layer.HTTPRequest.prototype.destroy.apply(this, arguments);
    },