New comment by classabbyamp on void-packages repository

https://github.com/void-linux/void-packages/pull/40095#issuecomment-1287977737

Comment:
musl fail is caused by not having `libexecinfo-devel`:
```sh
case "$XBPS_TARGET_MACHINE" in
	*-musl) makedepends+=" libexecinfo-devel"
esac
```