Patch to mouse accel code

[Jan Brunner]

> This isn't a performance problem; at 100Hz, any system should be able to 
> execute a few software FP ops.  As the existing X server arc and line 
> drawing code requires FP, I don't see a problem with having the mouse code 
> use it as well.
> 
> That said, code which can easily avoid FP is always nicer.

I'll think about it tomorrow. I estimate that the code is going to get 
messy without FP but maybe I find something nice.

-- 
Best Regards,
Jan Brunner <brunner at intergga.ch>