Do not sort hgwebdir repositories if python list or tuple is given.

This was introduced by changeset f67d1468ac50 (util: add sort helper)

mercurial/hgweb/hgwebdir_mod.py

@@ -19,8 +19,8 b' from request import wsgirequest'
 class hgwebdir(object):
     def __init__(self, config, parentui=None):
         def cleannames(items):
-            return util.sort([(util.pconvert(name).strip('/'), path)
-                              for name, path in items])
+            return [(util.pconvert(name).strip('/'), path)
+                    for name, path in items]
 
         self.parentui = parentui or ui.ui(report_untrusted=False,
                                           interactive = False)
@@ -33,7 +33,7 b' class hgwebdir(object):'
             self.repos = cleannames(config)
             self.repos_sorted = ('', False)
         elif isinstance(config, dict):
-            self.repos = cleannames(config.items())
+            self.repos = util.sort(cleannames(config.items()))
         else:
             if isinstance(config, util.configparser):
                 cp = config