message: Works with new Mixer class
diff: @@ -82,7 +82,7 @@ int main(int argc, char ** argv)
  ALT_HOLD_KP,
  ALT_HOLD_KI);
  - static NewMixer mixer = NewQuadXbfMixer::make();
  + static Mixer mixer = QuadXbfMixer::make();
  printf("Hit the Play button ... ");
  fflush(stdout);
  