net/x2goclient-cli: Add missing setsid dependency
% x2goclient-cli --user <user> --server <server>
Password: sh: setsid: not found sh: setsid: not found sh: setsid: not found sh: setsid: not found sh: setsid: not found
PR: 253449
Reported by: parv.0zero9+freebsd@gmail.com
Approved by: maintainer timeout