New comment by kruceter on void-packages repository

https://github.com/void-linux/void-packages/pull/41399#issuecomment-1368630939

Comment:
> vsed unchanged files are errors now?

This behavior is explicitly defined in `common/travis/build.sh` (pay attention to the `-s` option) and used in CI:

```sh
	/hostrepo/xbps-src -j$(nproc) -s -H "$HOME"/hostdir $arch $test pkg "$pkg"
```