From d90f292c7170e437d8961ee28051e45a809fe1ed Mon Sep 17 00:00:00 2001
From: Tom Payne <twpayne@gmail.com>
Date: Mon, 22 Apr 2013 14:45:11 +0200
Subject: [PATCH] Initialize all properties in constructor

---
 src/ol/interaction/dragrotateinteraction.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/ol/interaction/dragrotateinteraction.js b/src/ol/interaction/dragrotateinteraction.js
index 681c86c654..60dfa35258 100644
--- a/src/ol/interaction/dragrotateinteraction.js
+++ b/src/ol/interaction/dragrotateinteraction.js
@@ -38,7 +38,7 @@ ol.interaction.DragRotate = function(opt_options) {
    * @private
    * @type {number|undefined}
    */
-  this.lastAngle_;
+  this.lastAngle_ = undefined;
 
 };
 goog.inherits(ol.interaction.DragRotate, ol.interaction.Drag);