Wine staging 3.12 release

[Alistair Leslie-Hughes]

Binary packages for various distributions will be available from:
https://www.winehq.org/download

Summary of the past few weeks
* Rebased to current wine 3.12 (990 patches are applied to wine vanilla)
* Reviewed and upstreamed patches.

Updated
* wintab32 patchset.

Added
* [45382] wined3d: Stop the Sting demo crashing
* [39402] xaudio2: Add support for WMA format.

WMA currently only support on distro's with ffmpeg 4 but we
will be looking at supporting older versions of ffmpeg in a future release.

Where can you help
* Run Steam/Battle.net/UPlay.
* Try you favorite game: Claybook, Just Cause 3
* Test your favorite applications.
* Steal staging patches and get them accepted upstream.

As always, if you find a bug, please report it via
https://bugs.winehq.org

Best Regards
 Alistair.