statwalk: don't put self.root in the files list
That list is supposed to contain internal, normalized names ("/"-separated,
relative to the repo root), not OS-native paths.
#header#
<title>Mercurial repositories index</title>
</head>
<body>
<h2>Mercurial Repositories</h2>
The specified repository "#repo|escape#" is unknown, sorry.
Please go back to the main repository list page.
#footer#