/usr/share/doc/libgamin-dev/changelog.Debian.gz is in libgamin-dev 0.1.10-5build1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libgamin-dev/../libgamin0/changelog.Debian.gz
/usr/share/doc/libgamin-dev/../libgamin0/changelog.Debian.gz