WinXP AMD64 port

[Ross Johnson]

Makoto's patch is now in CVS.

Ross

Makoto Kato wrote:

>Hi, all.
>
>I attached a patch for WinXP AMD64 port for current CVS.
>
>To commiter, can you check in?
>
>
>-- Makoto Kato
> http://oldskool.jp/mozilla64/
> http://raven2000.hp.infoseek.co.jp/
>  
>