/usr/share/doc/libsmraw-dbg/changelog.Debian.gz is in libsmraw-dbg 20160108-2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libsmraw-dbg/../libsmraw1/changelog.Debian.gz
/usr/share/doc/libsmraw-dbg/../libsmraw1/changelog.Debian.gz