/usr/share/doc/libhmsbeagle-dev/changelog.Debian.gz is in libhmsbeagle-dev 2.1.2+20150609-1.1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libhmsbeagle-dev/../libhmsbeagle1v5/changelog.Debian.gz