[PATCH 5/9] libs: Import winpthreads from MinGW 8.0.0.

[Alexandre Julliard]

Zebediah Figura <zfigura at codeweavers.com> writes:

> We need this for PE libvkd3d.
>
> Signed-off-by: Zebediah Figura <zfigura at codeweavers.com>
> ---
> As an alternative, we could define a minimal, probably not perfectly conforming,
> replacement, which would at least mean adding less code...

The other libraries that we import have fallback implementations to
Win32 threads, vkd3d should do the same thing.

-- 
Alexandre Julliard
julliard at winehq.org