/usr/share/doc/libglobus-gfork-dbg/changelog.Debian.gz is in libglobus-gfork-dbg 4.8-2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libglobus-gfork-dbg/../libglobus-gfork0/changelog.Debian.gz