Release 6.15 (Patreon)

With the update of the mfplat patchset, more games like "Power Rangers: Battle for the grid" now play their intro movies.  Please log any bug if, movies no longer play which previously did.

Summary since last release

* Rebased to current wine 6.15 (604 patches are applied to wine vanilla)

Upstreamed (Either directly from staging or fixed with a similar patch).

* advapi32/tests: Add test for perflib registry key.

* wine.inf: Add registry keys for Windows Performance Library.

* wine.inf: Add 'Counters' to the perflib key as an alias for 'Counter'.

Added:

* None

Updated:

* mfplat-streaming-support