Restore drag handler state in deactivate. r=erilem (closes #3218)

git-svn-id: http://svn.openlayers.org/trunk/openlayers@11808 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

lib/OpenLayers/Handler/Drag.js

@@ -145,6 +145,7 @@ OpenLayers.Handler.Drag = OpenLayers.Class(OpenLayers.Handler, {
             };
         }
     },
+
     
     /**
      * Method: dragstart
@@ -507,6 +508,7 @@ OpenLayers.Handler.Drag = OpenLayers.Class(OpenLayers.Handler, {
     deactivate: function() {
         var deactivated = false;
         if(OpenLayers.Handler.prototype.deactivate.apply(this, arguments)) {
+            this.touch = false;
             this.started = false;
             this.dragging = false;
             this.start = null;