fixup! remote-hg: do not interfer with hg's revs() method

Author: dscho

git-remote-testgit.py

@@ -56,7 +56,7 @@ def do_list(self, repo, args):
         head is at clone time.
         """
 
-        for ref in repo.revs:
+        for ref in repo.revs2:
             debug("? refs/heads/%s", ref)
             print "? refs/heads/%s" % ref