There is a new pull request by ndowens against master on the void-packages repository

https://github.com/ndowens/void-packages litecoin
https://github.com/void-linux/void-packages/pull/16173

litecoin: update to 0.17.1
Added bash completions

A patch file from https://github.com/void-linux/void-packages/pull/16173.patch is attached