/usr/share/doc/qml-module-qtfeedback/changelog.Debian.gz is in qml-module-qtfeedback 5.0~git20130529-0ubuntu13.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/qml-module-qtfeedback/../libqt5feedback5/changelog.Debian.gz