From c521f92408f12e713ff6e78c1e996deff9274a43 Mon Sep 17 00:00:00 2001
From: Tom Payne <twpayne@gmail.com>
Date: Tue, 5 Mar 2013 18:55:43 +0100
Subject: [PATCH] Make attribution control options argument optional

---
 src/ol/control/attributioncontrol.js | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/src/ol/control/attributioncontrol.js b/src/ol/control/attributioncontrol.js
index c6f79717aa9..23c5b6d2416 100644
--- a/src/ol/control/attributioncontrol.js
+++ b/src/ol/control/attributioncontrol.js
@@ -21,10 +21,11 @@ goog.require('ol.source.Source');
 /**
  * @constructor
  * @extends {ol.control.Control}
- * @param {ol.control.AttributionOptions} attributionOptions Attribution
- *     options.
+ * @param {ol.control.AttributionOptions=} opt_options Options.
  */
-ol.control.Attribution = function(attributionOptions) {
+ol.control.Attribution = function(opt_options) {
+
+  var options = goog.isDef(opt_options) ? opt_options : {};
 
   this.ulElement_ = goog.dom.createElement(goog.dom.TagName.UL);
 
@@ -34,8 +35,8 @@ ol.control.Attribution = function(attributionOptions) {
 
   goog.base(this, {
     element: element,
-    map: attributionOptions.map,
-    target: attributionOptions.target
+    map: options.map,
+    target: options.target
   });
 
   /**