Says both incomplete and complete

[Kilian Evang]

$ ./produce out/p01/d2606/de.tok.iob.noncorr -b
rebuilding file out/p01/d2606/de.tok.iob.noncorr
^CTraceback (most recent call last):
  File "./ext/viasock/viasock", line 457, in <module>
    _main()
  File "./ext/viasock/viasock", line 433, in _main
    args.server_timeout, args.log)
  File "./ext/viasock/viasock", line 340, in _run
    output_prelude_length)
  File "./ext/viasock/viasock", line 279, in _client
    sock.connect(socket_path)
KeyboardInterrupt
incomplete      out/p01/d2606/de.tok.iob.noncorr
complete        out/p01/d2606/de.tok.iob.noncorr