New review comment by ericonr on void-packages repository

https://github.com/void-linux/void-packages/pull/27193#discussion_r545159854

Comment:
I guess just putting the files there didn't work? This is quite unfortunate.

Having numbered seds is quite fragile, though, so ideally we could come up with a patch for it.

Also, indentation of the last `sed` line is too far right by 2 tabs.