/usr/share/doc/xmms2-client-cli/changelog.Debian.gz is in xmms2-client-cli 0.8+dfsg-18.1build3.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/xmms2-client-cli/../libxmmsclient6/changelog.Debian.gz