Blender Git Loki

Cleanup: Simplification of `BKE_ffmpeg_alpha_channel_is_supported()`

Simplified `BKE_ffmpeg_alpha_channel_is_supported()` to use `ELEM()`
instead of a row consecutive `if`-statements.

No functional changes.

Reviewed By: brecht

Differential Revision: https://developer.blender.org/D5156