/usr/lib/libmwaw-0.3.so is in libmwaw-dev 0.3.1-2+deb8u1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/libmwaw-0.3.so.3.0.1
/usr/lib/libmwaw-0.3.so.3.0.1