/usr/share/doc/libwandio1-dev/changelog.Debian.gz is in libwandio1-dev 3.0.18-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libwandio1-dev/../libwandio1/changelog.Debian.gz
/usr/share/doc/libwandio1-dev/../libwandio1/changelog.Debian.gz