XGGI Update

[John Fortin]

> Chances of xterm building under Mingw is pretty small, given that it needs
> pseudo ttys.

I think I had heard that before...

> 
> XGGI should build under Mingw however, and if not, I can provide a hand
> there.
> 
> Most of the clients should build easily under Mingw, except for the likes
> of xterm. Rxvt should build under Mingw, unless it's gone through major
> code changes in the last few years.
> 
> Got any perf numbers yet? Just being greedy, sorry ;-)

Still have to do the mouse interface.  Should be pretty easy though,
compared to the keyboard interface.

John