/usr/share/doc/libdbusmenu-qt-dev/changelog.Debian.gz is in libdbusmenu-qt-dev 0.9.3+14.04.20140314-0ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libdbusmenu-qt-dev/../libdbusmenu-qt2/changelog.Debian.gz