/usr/lib/libgvnc-1.0.so is in libgvnc-1.0-dev 0.5.3-0ubuntu2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/libgvnc-1.0.so.0.0.1
/usr/lib/libgvnc-1.0.so.0.0.1