message: backend: fix calibration build on macos
diff: @@ -42,7 +42,7 @@ public:
  grpc::Status
  CalibrateGyro(grpc::ServerContext * /* context */,
  - const rpc::calibration::CalibrateGyroRequest request,
  + const rpc::calibration::CalibrateGyroRequest *request,
  grpc::ServerWriter<rpc::calibration::CalibrateGyroResponse> *writer) override
  {
  std::promise<void> stream_closed_promise;
  @@ -70,7 +70,7 @@ public:
  grpc::Status CalibrateAccelerometer(
  grpc::ServerContext * /* context */,
  - const rpc::calibration::CalibrateAccelerometerRequest request,
  + const rpc::calibration::CalibrateAccelerometerRequest *request,
  grpc::ServerWriter<rpc::calibration::CalibrateAccelerometerResponse> *writer) override
  {
  std::promise<void> stream_closed_promise;
  @@ -100,7 +100,7 @@ public:
  grpc::Status CalibrateMagnetometer(
  grpc::ServerContext * /* context */,
  - const rpc::calibration::CalibrateMagnetometerRequest request,
  + const rpc::calibration::CalibrateMagnetometerRequest *request,
  grpc::ServerWriter<rpc::calibration::CalibrateMagnetometerResponse> *writer) override
  {
  std::promise<void> stream_closed_promise;
  @@ -130,7 +130,7 @@ public:
  grpc::Status CalibrateGimbalAccelerometer(
  grpc::ServerContext * /* context */,
  - const rpc::calibration::CalibrateGimbalAccelerometerRequest request,
  + const rpc::calibration::CalibrateGimbalAccelerometerRequest *request,
  grpc::ServerWriter<rpc::calibration::CalibrateGimbalAccelerometerResponse> *writer) override
  {
  std::promise<void> stream_closed_promise;
  