don't double-join the notebook path

IPython/html/static/tree/js/kernellist.js

@@ -1,48 +1,47
 //----------------------------------------------------------------------------
 //  Copyright (C) 2014  The IPython Development Team
 //
 //  Distributed under the terms of the BSD License.  The full license is in
 //  the file COPYING, distributed as part of this software.
 //----------------------------------------------------------------------------
 
 //============================================================================
 // Running Kernels List
 //============================================================================
 
 var IPython = (function (IPython) {
     "use strict";
 
     var utils = IPython.utils;
 
     var KernelList = function (selector, options) {
         IPython.NotebookList.call(this, selector, options, 'running');
     };
 
     KernelList.prototype = Object.create(IPython.NotebookList.prototype);
 
     KernelList.prototype.sessions_loaded = function (d) {
         // clear out the previous list
         this.clear_list();
         var len  = d.length;
         var item;
         for (var i=0; i < d.length; i++) {
-            var path = utils.url_path_join(d[i].notebook.path, d[i].notebook.name);
-            var name = d[i].name;
+            var path= utils.url_path_join(d[i].notebook.path, d[i].notebook.name);
             item = this.new_notebook_item(i);
-            this.add_link(path, path, item);
+            this.add_link('', path, item);
             this.sessions[path] = d[i].id;
             this.add_shutdown_button(item,this.sessions[path]);
         }
        
         if (len > 0) {
            $('#' + this.element_name + '_list_header').hide();
        } else {
            $('#' + this.element_name + '_list_header').show();
        }
     }
     
     IPython.KernelList = KernelList;
 
     return IPython;
 
 }(IPython));