There is an updated pull request by ailiop-git against master on the void-packages repository

https://github.com/ailiop-git/void-packages proftpd
https://github.com/void-linux/void-packages/pull/25175

proftpd: update to 1.3.7.


A patch file from https://github.com/void-linux/void-packages/pull/25175.patch is attached