[RFA-v8] Add windows OS Thread Information Block

[Eli Zaretskii]

> From: Pedro Alves <pedro@codesourcery.com>
> Date: Tue, 13 Apr 2010 16:06:35 +0100
> Cc: "'Eli Zaretskii'" <eliz@gnu.org>,
>  gdb-patches@sourceware.org
> 
> Otherwise, this version looks good to me.  Please check it in if
> Eli is okay with it as well.

I am.

Thanks.