There is a new pull request by q66 against master on the void-packages repository

https://github.com/void-ppc/void-packages mac-fdisk
https://github.com/void-linux/void-packages/pull/16027

mac-fdisk: sync patches from adelie
This should also fix it on musl.

A patch file from https://github.com/void-linux/void-packages/pull/16027.patch is attached