From eec1fdab62b6f3e41abe6cd7934721d7cdee55a6 Mon Sep 17 00:00:00 2001
From: Tom Payne <twpayne@gmail.com>
Date: Thu, 2 Aug 2012 12:38:55 +0200
Subject: [PATCH] Use goog.nullFunction

---
 src/ol/base/object.js | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/ol/base/object.js b/src/ol/base/object.js
index c8828d5e47..7567df288e 100644
--- a/src/ol/base/object.js
+++ b/src/ol/base/object.js
@@ -176,8 +176,7 @@ ol.Object.prototype.bindTo =
 /**
  * @param {string} key Key.
  */
-ol.Object.prototype.changed = function(key) {
-};
+ol.Object.prototype.changed = goog.nullFunction;
 
 
 /**