fix crasher bug 56843 in case of if('wrappedJSObject' in foo). Better solution for bigger problem in the works. a=brendan@mozilla.org r=shaver@mozilla.org

js/src/xpconnect/src/xpcwrappednativejsops.cpp

@@ -441,7 +441,7 @@ WrappedNative_LookupProperty(JSContext *cx, JSObject *obj, jsid id,
             JSObject* realObject = GetDoubleWrappedJSObject(cx, wrapper, id);
             if(realObject)
             {
-                *objp = realObject;
+                *objp = obj;
                 *propp = XPC_BUILT_IN_PROPERTY;
                 return JS_TRUE;
             }