New comment by AnInternetTroll on void-packages repository

https://github.com/void-linux/void-packages/pull/48916#issuecomment-2013310682

Comment:
>I think the consensus on IRC was to reject my suggest for
>`1.9+contrib.0` in favor of the original `1.9+0`, which would require
>the distfiles substitution `${version/+/-contrib.}`.

@ahesford tbh I got also confused in that discussion. Anyway,
implemented those changes.