From aae425eb59b8bb7bf4be603b2dd7faff8464b327 Mon Sep 17 00:00:00 2001
From: Tom Payne <twpayne@gmail.com>
Date: Thu, 12 Dec 2013 10:58:15 +0100
Subject: [PATCH] Make options argument to ol.style.Stroke optional

---
 src/ol/style/strokestyle.js | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/ol/style/strokestyle.js b/src/ol/style/strokestyle.js
index fc5575eff1..7363fd3a2f 100644
--- a/src/ol/style/strokestyle.js
+++ b/src/ol/style/strokestyle.js
@@ -6,9 +6,11 @@ goog.require('ol.color');
 
 /**
  * @constructor
- * @param {olx.style.StrokeOptions} options Options.
+ * @param {olx.style.StrokeOptions=} opt_options Options.
  */
-ol.style.Stroke = function(options) {
+ol.style.Stroke = function(opt_options) {
+
+  var options = goog.isDef(opt_options) ? opt_options : {};
 
   /**
    * @type {ol.Color|string}