hgweb: make paper:error consistent with template stable

hgweb: make paper:error consistent with template

Tests fixed by Patrick Mézard <[e-mail]>

--- a/mercurial/templates/paper/error.tmpl	Mon Jul 30 11:02:10 2012 +0200
+++ b/mercurial/templates/paper/error.tmpl	Mon Jul 30 11:33:27 2012 +0200
@@ -15,6 +15,8 @@
 <li><a href="{url}tags{sessionvars%urlparameter}">tags</a></li>
 <li><a href="{url}bookmarks{sessionvars%urlparameter}">bookmarks</a></li>
 <li><a href="{url}branches{sessionvars%urlparameter}">branches</a></li>
+</ul>
+<ul>
 <li><a href="{url}help{sessionvars%urlparameter}">help</a></li>
 </ul>
 </div>

--- a/tests/test-hgweb-filelog.t	Mon Jul 30 11:02:10 2012 +0200
+++ b/tests/test-hgweb-filelog.t	Mon Jul 30 11:33:27 2012 +0200
@@ -534,6 +534,8 @@
   <li><a href="/tags">tags</a></li>
   <li><a href="/bookmarks">bookmarks</a></li>
   <li><a href="/branches">branches</a></li>
+  </ul>
+  <ul>
   <li><a href="/help">help</a></li>
   </ul>
   </div>

--- a/tests/test-hgweb.t	Mon Jul 30 11:02:10 2012 +0200
+++ b/tests/test-hgweb.t	Mon Jul 30 11:33:27 2012 +0200
@@ -67,6 +67,8 @@
   <li><a href="/tags">tags</a></li>
   <li><a href="/bookmarks">bookmarks</a></li>
   <li><a href="/branches">branches</a></li>
+  </ul>
+  <ul>
   <li><a href="/help">help</a></li>
   </ul>
   </div>
@@ -155,6 +157,8 @@
   <li><a href="/tags">tags</a></li>
   <li><a href="/bookmarks">bookmarks</a></li>
   <li><a href="/branches">branches</a></li>
+  </ul>
+  <ul>
   <li><a href="/help">help</a></li>
   </ul>
   </div>