[RFA] gdb/win32-nat.c Step the correct thread

[Christopher Faylor]

On Thu, Nov 29, 2007 at 04:45:17PM +0100, Pierre Muller wrote:
>  While trying to understand the SuspendThread
>counting problems, I tried to single step after changing 
>thread, and I noticed that the next event always 
>brought me back to the main thread.
>
>  There is a bug in the current win32-nat.c source
>which places the trace bit always in the
>main thread, while we should step the thread identified by 
>inferior_ptid.
>
>  This simple patch corrects this.
>
>The testsuite runs with and without this patch
>show no difference.
>
>OK to check in?

Ok.

cgf