[ut2004] linux fps

[Ryan C. Gordon]

> At the moment i can play quite well with my fps however it fluctuates 
> between 50 fps and 83. I have tried various things including the 
> netspeed 20000 netspeed 10001 trick, which gives me up to 130 fps, but 
> again dropping to 50 fps from time to time. Off-line i can get up to 
> 400fps and in windows (when i have tried it) and on-line it runs at 
> 83fps constantly. This would be quite acceptable in Linux if i could 
> just get it to stay constant.

Framerate of net games is clamped, that's not a Linux-specific issue.

There's a reason why it does that, but it's wasn't exactly the best 
design decision.

--ryan.