/usr/lib/libgnunetmysql.so.0 is in gnunet-common 0.9.3-7build1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/libgnunetmysql.so.0.0.0
/usr/lib/libgnunetmysql.so.0.0.0