/usr/share/doc/libkf5gapilatitude5/changelog.Debian.gz is in libkf5gapilatitude5 5.1.0-1ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libkf5gapilatitude5/../libkf5gapicore5/changelog.Debian.gz