/usr/share/doc/libqtscript4-phonon/changelog.Debian.gz is in libqtscript4-phonon 0.2.0-0ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libqtscript4-phonon/../libqtscript4-core/changelog.Debian.gz