/usr/share/doc/libace-inet-ssl-6.4.5/changelog.Debian.gz is in libace-inet-ssl-6.4.5 6.4.5+dfsg-1build2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libace-inet-ssl-6.4.5/../libace-6.4.5/changelog.Debian.gz