/usr/share/doc/wireshark-dbg/changelog.Debian.gz is in wireshark-dbg 1.6.7-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/wireshark-dbg/../libwireshark1/changelog.Debian.gz
/usr/share/doc/wireshark-dbg/../libwireshark1/changelog.Debian.gz