New review comment by classabbyamp on void-packages repository

https://github.com/void-linux/void-packages/pull/38771#discussion_r949703290

Comment:
license is unclear, there's a COPYING file that is GPL 2, but src/main.cxx says GPL 3+. Other distros use a [variety of values](https://repology.org/project/flrig/information). Could you investigate this?