/usr/lib/x86_64-linux-gnu/libwavpack.so is in libwavpack-dev 4.75.2-2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libwavpack.so.1.1.7
/usr/lib/x86_64-linux-gnu/libwavpack.so.1.1.7