/usr/share/doc/freenect/changelog.Debian.gz is in freenect 1:0.5.3-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/freenect/../libfreenect0.5/changelog.Debian.gz
/usr/share/doc/freenect/../libfreenect0.5/changelog.Debian.gz