/usr/lib/libmwaw-0.1.so is in libmwaw-dev 0.1.11-1ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/libmwaw-0.1.so.1.0.11
/usr/lib/libmwaw-0.1.so.1.0.11