message: Fix variable shadowing in qt/receiverequestdialog.cpp
  qt/receiverequestdialog.cpp:108:51: warning: declaration shadows a field of 'ReceiveRequestDialog' [-Wshadow]
  void ReceiveRequestDialog::setModel(OptionsModel *model)
  ^
  ./qt/receiverequestdialog.h:71:19: note: previous declaration is here
  OptionsModel *model;
  ^
diff: @@ -105,12 +105,12 @@ ReceiveRequestDialog::ReceiveRequestDialog(const Config *cfg, QWidget *parent)
  }
  ReceiveRequestDialog::~ReceiveRequestDialog() { delete ui; }
  -void ReceiveRequestDialog::setModel(OptionsModel *model)
  +void ReceiveRequestDialog::setModel(OptionsModel *_model)
  {
  - this->model = model;
  + this->model = _model;
  - if (model)
  - connect(model, SIGNAL(displayUnitChanged(int)), this, SLOT(update()));
  + if (_model)
  + connect(_model, SIGNAL(displayUnitChanged(int)), this, SLOT(update()));
  // update the display unit if necessary
  update();
  