/usr/share/doc/libavc1394-dev/changelog.Debian.gz is in libavc1394-dev 0.5.4-2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libavc1394-dev/../libavc1394-0/changelog.Debian.gz
/usr/share/doc/libavc1394-dev/../libavc1394-0/changelog.Debian.gz