Backport of "wavenc: Fix writing of the channel mask with >2 channels" into 1.16
Backport of !453 (merged) "wavenc: Fix writing of the channel mask with >2 channels".
Commits:
- 451fc5c1 wavenc: Fix writing of the channel mask with >2 channels
Backport of !453 (merged) "wavenc: Fix writing of the channel mask with >2 channels".
Commits: