Making it so the click handler works even if other listeners stop propagation on touchstart. r=elemoine (closes #3089)

git-svn-id: http://svn.openlayers.org/trunk/openlayers@11253 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

lib/OpenLayers/Handler/Click.js

@@ -269,10 +269,10 @@ OpenLayers.Handler.Click = OpenLayers.Class(OpenLayers.Handler, {
      *   touches property from last touchstart or touchmove
      */
     touchend: function(evt) {
-        if(!evt) {
+        var last = this.last || this.down;
+        if (!evt || !last) {
             return false;
         }
-        var last = this.last || this.down;
         evt.xy = last.xy;
         evt.lastTouches = last.touches;
         return evt.xy ? this.click(evt) : false;