message: Unbreak DEV_MODE build.
  GPC: dev-mode
diff: @@ -74,11 +74,11 @@ limitations under the License.
  // and graphed by e.g. the Arduino IDE (tools -> serial plotter).
  static void DEV_MODE_comms_handler(const ControllerStatus &controller_status,
  GuiStatus *gui_status) {
  - gui_status.desired_params.mode = VentMode_PRESSURE_CONTROL;
  - gui_status.desired_params.breaths_per_min = 12;
  - gui_status.desired_params.peep_cm_h2o = 5;
  - gui_status.desired_params.pip_cm_h2o = 15;
  - gui_status.desired_params.inspiratory_expiratory_ratio = 0.66f;
  + gui_status->desired_params.mode = VentMode_PRESSURE_CONTROL;
  + gui_status->desired_params.breaths_per_min = 12;
  + gui_status->desired_params.peep_cm_h2o = 5;
  + gui_status->desired_params.pip_cm_h2o = 15;
  + gui_status->desired_params.inspiratory_expiratory_ratio = 0.66f;
  static Time last_sent = millisSinceStartup(0);
  Time now = Hal.now();
  