(class server_x11_socket): Deleted class.
(do_kill_x11_socket): Deleted function.
(make_server_x11_socket): Deleted function.
(do_kill_x11_listen_port): New function.
(do_x11_listen_port_accept): New function.
(make_x11_listen_port): New function.
(open_x11_socket): Use make_x11_listen_port.
(server_x11_setup): Use new io_listen. Return port object.

Rev: src/server_x11.c:1.24