WW-2094 Error DateTimePicker when erase input then click again the calendar - Apply fix submitted by Benjamin McCann for to issue originally reported by Leneveut Michaël.

git-svn-id: https://svn.apache.org/repos/asf/struts/struts2/trunk@590970 13f79535-47bb-0310-9956-ffa450edef68

plugins/dojo/src/main/resources/org/apache/struts2/static/dojo/struts_dojo.js

@@ -1,20 +1,20 @@
 /*
-	Copyright (c) 2004-2006, The Dojo Foundation
-	All Rights Reserved.
+  Copyright (c) 2004-2006, The Dojo Foundation
+  All Rights Reserved.
 
-	Licensed under the Academic Free License version 2.1 or above OR the
-	modified BSD license. For more information on Dojo licensing, see:
+  Licensed under the Academic Free License version 2.1 or above OR the
+  modified BSD license. For more information on Dojo licensing, see:
 
-		http://dojotoolkit.org/community/licensing.shtml
+    http://dojotoolkit.org/community/licensing.shtml
 */
 
 /*
-	This is a compiled version of Dojo, built for deployment and not for
-	development. To get an editable version, please visit:
+  This is a compiled version of Dojo, built for deployment and not for
+  development. To get an editable version, please visit:
 
-		http://dojotoolkit.org
+    http://dojotoolkit.org
 
-	for documentation and information on getting the source.
+  for documentation and information on getting the source.
 */
 
 if(typeof dojo=="undefined"){
@@ -16928,7 +16928,7 @@ if(this.clickedNode!=null){
 dojo.debug("adding selectedDate");
 dojo.html.addClass(this.clickedNode,this.classNames.selectedDate);
 this.selectedNode=this.clickedNode;
-}else{
+}else if(this.value){
 this._preInitUI(this.value,false,true);
 }
 this.clickedNode=null;