/usr/lib/x86_64-linux-gnu/librospack.so is in librospack-dev 2.3.1-1+b3.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/librospack.so.0d
/usr/lib/x86_64-linux-gnu/librospack.so.0d