message: examples: fix callback type after API change
diff: @@ -260,7 +260,7 @@ void usage(std::string bin_name)
  << "For example, to connect to the simulator use URL: udp://:14540" << std::endl;
  }
  -Telemetry::landed_state_callback_t
  +Telemetry::LandedStateCallback
  landed_state_callback(std::shared_ptr<Telemetry>& telemetry, std::promise<void>& landed_promise)
  {
  return [&landed_promise, &telemetry](Telemetry::LandedState landed) {
  