/usr/lib/x86_64-linux-gnu/libwpg-0.3.so is in libwpg-dev 0.3.1-1ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libwpg-0.3.so.3.0.1
/usr/lib/x86_64-linux-gnu/libwpg-0.3.so.3.0.1