/usr/share/doc/libgconf2-4/changelog.Debian.gz is in libgconf2-4 3.2.6-4ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libgconf2-4/../libgconf-2-4/changelog.Debian.gz
/usr/share/doc/libgconf2-4/../libgconf-2-4/changelog.Debian.gz