/usr/share/doc/liblas-bin/changelog.Debian.gz is in liblas-bin 1.8.1-6build1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/liblas-bin/../liblas3/changelog.Debian.gz
/usr/share/doc/liblas-bin/../liblas3/changelog.Debian.gz