Merge pull request #140 from twpayne/array-clean-ups

Array clean ups

src/ol/renderer/maprenderer.js

@@ -1,6 +1,7 @@
 goog.provide('ol.renderer.Map');
 
 goog.require('goog.Disposable');
+goog.require('goog.array');
 goog.require('goog.asserts');
 goog.require('goog.events');
 goog.require('goog.functions');