[PATCH] xaudio2: Add new dll xaudio2_9redist

[Andrew Eikum]

On Sat, Nov 07, 2020 at 10:48:03PM -0700, Thomas Crider wrote:
> Some games ships this DLL (Ghostrunner, Warframe).
> The DLL acts differently depending which version of Windows is in use.
> The DLL redirects to xaudio2_7, same as xaudio2_9 does.
> 

This is a DLL that applications ship, not something Windows ships, so
I don't think it's right for Wine to ship it. We should fix Wine so
that the native version shipped with the application is functional in
win10 mode.

Andrew