/usr/share/doc/gir1.2-ukuipanelapplet-4.0/changelog.Debian.gz is in gir1.2-ukuipanelapplet-4.0 1.1.3-0ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/gir1.2-ukuipanelapplet-4.0/../libukui-panel-applet-4-1/changelog.Debian.gz