Milter-greylist

Hi,

I noticed that loading dump data that includes tarpit entry
is blocked:

  main() ->
    mg_init() ->
      dump_reload() ->
        PENDING_LOCK; <- !
        dump_parse() ->
          pending_update() ->
            PENDING_LOCK; <- block!


Here is a patch to fix this problem:
  http://www.clear-code.com/~kou/patches/milter-greylist-fix-deadlock-on-parsing-dump-file-which-has-tarpit-data.patch

Thanks,
--
kou