From 22e9fc92b8427a843ea0196107fd10a8c5383af2 Mon Sep 17 00:00:00 2001
From: ahocevar <andreas.hocevar@gmail.com>
Date: Mon, 26 Dec 2011 19:53:23 +0100
Subject: [PATCH] Don't change existing behavior for redraw(true)

---
 lib/OpenLayers/Layer/HTTPRequest.js | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/lib/OpenLayers/Layer/HTTPRequest.js b/lib/OpenLayers/Layer/HTTPRequest.js
index 8f939f7b40..0ae44bcbc1 100644
--- a/lib/OpenLayers/Layer/HTTPRequest.js
+++ b/lib/OpenLayers/Layer/HTTPRequest.js
@@ -143,9 +143,10 @@ OpenLayers.Layer.HTTPRequest = OpenLayers.Class(OpenLayers.Layer, {
      */
     redraw: function(force) { 
         if (force) {
-            this.params["_olSalt"] = Math.random();
+            this.mergeNewParams({"_olSalt": Math.random()});
+        } else {
+            return OpenLayers.Layer.prototype.redraw.call(this);
         }
-        return OpenLayers.Layer.prototype.redraw.call(this);
     },
     
     /**