/usr/share/doc/kde-style-breeze-qt4/changelog.Debian.gz is in kde-style-breeze-qt4 4:5.5.5-0ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/kde-style-breeze-qt4/../kde-style-breeze/changelog.Debian.gz