multimedia/ffmpeg: unbreak SVTVP9 after r536258
> Applying distribution patches for ffmpeg-4.2.3,1
2 out of 8 hunks failed--saving rejects to libavformat/matroskaenc.c.rej
> FAILED Applying distribution patch 0001-Add-ability-for-ffmpeg-to-run-svt-vp9.patch with -p1
- Error code 1
PR: 246673
Reported by: VVD <vvd@unislabs.com>