[ut2003io] Longer initial loading times in 2.6

[Ryan C. Gordon]

> In kernel 2.6 ut2003 takes much longer to start than under 2.4, I've 
> experienced this with Neverwinter Nights as well and I think these 
> problems are related, also see this thread I found in the forum:

I wouldn't be surprised if something like the "anticipatory i/o
scheduler" in 2.6 is killing start times, but that's just a guess.

At startup, ut2003 does an _insane_ amount of disk i/o.

--ryan.