[Spambayes] Pop3 proxy UI - doesn't display correct port

[Meyer, Tony]

> Ah. It only does this when run via the Win32 service code in 
> windows/pop3proxy_service.py. So running pop3proxy.py from 
> the command line shows the right UI, but the service doesn't.

Wow, someone is actually using that! ;)

> Got it. This patch fixes the problem:
[...]

Thanks for figuring out the problem & solution; I'll check it in.

=Tony Meyer