fixes bug where LFO's output ping always got marked as changed
fixes bug where LFO's output ping always got marked as changed

sebllll/vvvv.js,AndBicScadMedia/vvvv.js,AndBicScadMedia/vvvv.js,zauner/vvvv.js,zauner/vvvv.js,zauner/vvvv.js,sebllll/vvvv.js,sebllll/vvvv.js,sebllll/vvvv.js,zauner/vvvv.js,sebllll/vvvv.js,AndBicScadMedia/vvvv.js,zauner/vvvv.js,AndBicScadMedia/vvvv.js,AndBicScadMedia/vvvv.js