/usr/share/doc/liballegro-audio5.2/changelog.Debian.gz is in liballegro-audio5.2 2:5.2.3.0-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/liballegro-audio5.2/../liballegro5.2/changelog.Debian.gz