Missing declarations in MAVLink.ino

[KochC]

/Software/MAVLink/MAVLink.ino: In function 'void request_mavlink_rates()':
MAVLink:23: error: 'apm_mav_system' was not declared in this scope
             apm_mav_system, apm_mav_component,
             ^
MAVLink:23: error: 'apm_mav_component' was not declared in this scope
             apm_mav_system, apm_mav_component,
                             ^
MAVLink:24: error: 'mavlink_msg_request_data_stream_send' was not declared in this scope
             MAVStreams[i], MAVRates[i], 1);
                                          ^