[Bug 46996] Improvements to the 7.1 and 5.1 to stereo conversion

https://bugs.winehq.org/show_bug.cgi?id=46996

--- Comment #6 from Andrew Eikum  ---
These were merged into Wine and will be in the upcoming 4.7 release. Anything
else to do here, or shall we close the bug?

commit fc84b8675a848683988d1793ea4bc9f95b7ea395
Author: Nikola Pavlica 
Date:   Tue Apr 23 20:04:23 2019 +0200

dsound: Added 7.1 to stereo downmix.

Signed-off-by: Nikola Pavlica 
    Signed-off-by: Andrew Eikum 
    Signed-off-by: Alexandre Julliard

commit 87eaa2f593d3a6b2e1440de3bf4c6b37ef089fcf
Author: Nikola Pavlica 
Date:   Tue Apr 23 20:04:22 2019 +0200

dsound: Revised 5.1 to stereo downmix.

Signed-off-by: Nikola Pavlica 
    Signed-off-by: Andrew Eikum 
    Signed-off-by: Alexandre Julliard