/usr/share/doc/gosa-dev/changelog.Debian.gz is in gosa-dev 2.7.2-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/gosa-dev/../gosa/changelog.Debian.gz
/usr/share/doc/gosa-dev/../gosa/changelog.Debian.gz