/usr/share/doc/libhyena-cil-dev/changelog.Debian.gz is in libhyena-cil-dev 0.5-4.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libhyena-cil-dev/../libhyena-cil/changelog.Debian.gz
/usr/share/doc/libhyena-cil-dev/../libhyena-cil/changelog.Debian.gz