remote-hg: don't push fake 'master' bookmark

We skip it locally, but not for the remote, so let's do so.
Signed-off-by: NFelipe Contreras <felipe.contreras@gmail.com>
Signed-off-by: NJunio C Hamano <gitster@pobox.com>

contrib/remote-helpers/git-remote-hg

@@ -873,7 +873,8 @@ def do_export(parser):
 
         if bmark == 'master' and 'master' not in parser.repo._bookmarks:
             # fake bookmark
-            pass
+            print "ok %s" % ref
+            continue
         elif bookmarks.pushbookmark(parser.repo, bmark, old, new):
             # updated locally
             pass