[ut2003io] Map download redirects

[Ryan C. Gordon]

> I'm not sure about the setting, but if I connect with a Linux client, I
> get refused, but if I connect with a Windows client to the same server, it
> works (tested one after the other).

Oh, ok, bus_error was talking about the server, not the client.

Alex, your UT2003.log after this failure might be useful in this case. 
Could you send that, too?

--ryan.