New review comment by mvf on void-packages repository

https://github.com/void-linux/void-packages/pull/25547#discussion_r504746204

Comment:
Instead of making them non-fatal, these warnings can be fixed by updating `openimageio` ([mvf/blender-2.90.1](https://github.com/mvf/void-packages/commits/blender-2.90.1)) This requires a revbump of `luxmark` and `luxrays` though and they seem borked.