From 43cfc2a4cd187f605cc956f2d80f3a26d75cdf76 Mon Sep 17 00:00:00 2001
From: Tom Payne <twpayne@gmail.com>
Date: Thu, 18 Apr 2013 21:01:58 +0200
Subject: [PATCH] Initialize all properties in constructor in controls

---
 src/ol/control/scalelinecontrol.js  | 2 +-
 src/ol/control/zoomslidercontrol.js | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/ol/control/scalelinecontrol.js b/src/ol/control/scalelinecontrol.js
index 4f43d8ce3d..37f779a2f0 100644
--- a/src/ol/control/scalelinecontrol.js
+++ b/src/ol/control/scalelinecontrol.js
@@ -77,7 +77,7 @@ ol.control.ScaleLine = function(opt_options) {
    * @private
    * @type {number|undefined}
    */
-  this.renderedWidth_;
+  this.renderedWidth_ = undefined;
 
   /**
    * @private
diff --git a/src/ol/control/zoomslidercontrol.js b/src/ol/control/zoomslidercontrol.js
index 5fb6a454ea..5af6be81e6 100644
--- a/src/ol/control/zoomslidercontrol.js
+++ b/src/ol/control/zoomslidercontrol.js
@@ -38,10 +38,10 @@ ol.control.ZoomSlider = function(options) {
   /**
    * Will hold the current resolution of the view.
    *
-   * @type {number}
+   * @type {number|undefined}
    * @private
    */
-  this.currentResolution_;
+  this.currentResolution_ = undefined;
 
   /**
    * The direction of the slider. Will be determined from actual display of the