OpenLayers.Strategy destroy() nullify options property. r=elemoine (closes #1657)

git-svn-id: http://svn.openlayers.org/trunk/openlayers@7690 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

lib/OpenLayers/Strategy.js

@@ -41,6 +41,7 @@ OpenLayers.Strategy = OpenLayers.Class({
     destroy: function() {
         this.deactivate();
         this.layer = null;
+        this.options = null;
     },
 
     /**

tests/Strategy.html

@@ -14,13 +14,15 @@
     }
     
     function test_destroy(t) {
-        t.plan(1);
+        t.plan(2);
         var strategy = new OpenLayers.Strategy({
+            options: {foo: 'bar'},
             layer: 'foo'
         });
         strategy.destroy();
 
         t.eq(strategy.layer, null, "destroy nullify protocol.layer");
+        t.eq(strategy.options, null, "destroy nullify protocol.options");
     }
 
   </script>