New review comment by classabbyamp on void-packages repository

https://github.com/void-linux/void-packages/pull/39091#discussion_r965387855

Comment:
```suggestion
homepage="https://www.lesbonscomptes.com/upmpdcli/npupnp-doc/libnpupnp.html"
changelog="https://www.lesbonscomptes.com/upmpdcli/pages/releases.html"
```