/usr/share/doc/libtokyotyrant-dev/changelog.Debian.gz is in libtokyotyrant-dev 1.1.40-4.1build1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libtokyotyrant-dev/../libtokyotyrant3/changelog.Debian.gz