reapplying a fix for '\' in SVN user name issue.

git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@1362 71c3de6d-444a-0410-be80-ed276b4c234a

core/src/main/java/hudson/model/User.java

@@ -177,7 +177,7 @@ public class User extends AbstractModelObject {
      * The file we save our configuration.
      */
     protected final XmlFile getConfigFile() {
-        return new XmlFile(XSTREAM,new File(Hudson.getInstance().getRootDir(),"users/"+ safeId +"/config.xml"));
+        return new XmlFile(XSTREAM,new File(Hudson.getInstance().getRootDir(),"users/"+ id +"/config.xml"));
     }
 
     /**