/usr/share/doc/awn-applet-yama/changelog.Debian.gz is in awn-applet-yama 0.4.1~bzr1507-0ubuntu7.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/awn-applet-yama/../awn-applets-common/changelog.Debian.gz