Fix issue in router, while parsing 404 error page

includes/routes.php

@@ -60,7 +60,7 @@ if($notfound) {
     require_once('session.php');
     require_once($config['models_folder']."d.wiki.php");
     $wikiPage = new Kabano\WikiPage();
-    $wikiPage->checkUrl('404');
+    $wikiPage->checkPermalink('404');
     $wikiPage->md2html();
     $head['css'] = "d.index.css;d.wiki.css";
     $head['title'] = $wikiPage->name;