New review comment by CtrlC-Root on void-packages repository

https://github.com/void-linux/void-packages/pull/44235#discussion_r1215131157

Comment:
I copied the behavior of the Void brother-brscan4 package here. Personally I think a `/etc/sane.d/dll.d/` directory would be better, and this is what the Arch packages do, but I think we'd have to modify the sane packages to support this out of the box.

Is there a better way?