/usr/lib/x86_64-linux-gnu/libwinpr-tools2.so is in libwinpr2-dev 2.0.0~git20170725.1.1648deb+dfsg1-7ubuntu0.1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libwinpr-tools2.so.2