/usr/lib/x86_64-linux-gnu/libglobus_gridftp_server_control.so is in libglobus-gridftp-server-control-dev 2.10-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libglobus_gridftp_server_control.so.0.2.10