From b54bc6cd429fbb7ece9ce14ddf566f9c1abf09e2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Alexandre=20Dub=C3=A9?= <adube@mapgears.com>
Date: Wed, 14 Oct 2015 14:43:04 -0400
Subject: [PATCH] Fix KeyboardZoom interation duration option, allow `0` value.

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

diff --git a/src/ol/interaction/keyboardzoominteraction.js b/src/ol/interaction/keyboardzoominteraction.js
index 75e48f0d1a..233f6a42a4 100644
--- a/src/ol/interaction/keyboardzoominteraction.js
+++ b/src/ol/interaction/keyboardzoominteraction.js
@@ -50,7 +50,7 @@ ol.interaction.KeyboardZoom = function(opt_options) {
    * @private
    * @type {number}
    */
-  this.duration_ = options.duration ? options.duration : 100;
+  this.duration_ = options.duration !== undefined ? options.duration : 100;
 
 };
 goog.inherits(ol.interaction.KeyboardZoom, ol.interaction.Interaction);