message: Fix variable shadowing in qt/receivecoinsdialog.cpp
  qt/receivecoinsdialog.cpp:77:48: warning: declaration shadows a field of 'ReceiveCoinsDialog' [-Wshadow]
  void ReceiveCoinsDialog::setModel(WalletModel *model)
  ^
  ./qt/receivecoinsdialog.h:68:18: note: previous declaration is here
  WalletModel *model;
  ^
diff: @@ -74,21 +74,21 @@ ReceiveCoinsDialog::ReceiveCoinsDialog(const PlatformStyle *platformStyle, const
  nFreezeLockTime = CScriptNum(0);
  }
  -void ReceiveCoinsDialog::setModel(WalletModel *model)
  +void ReceiveCoinsDialog::setModel(WalletModel *_model)
  {
  - this->model = model;
  + this->model = _model;
  - if (model && model->getOptionsModel())
  + if (_model && _model->getOptionsModel())
  {
  - model->getRecentRequestsTableModel()->sort(RecentRequestsTableModel::Date, Qt::DescendingOrder);
  - connect(model->getOptionsModel(), SIGNAL(displayUnitChanged(int)), this, SLOT(updateDisplayUnit()));
  + _model->getRecentRequestsTableModel()->sort(RecentRequestsTableModel::Date, Qt::DescendingOrder);
  + connect(_model->getOptionsModel(), SIGNAL(displayUnitChanged(int)), this, SLOT(updateDisplayUnit()));
  updateDisplayUnit();
  QTableView *tableView = ui->recentRequestsView;
  tableView->verticalHeader()->hide();
  tableView->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
  - tableView->setModel(model->getRecentRequestsTableModel());
  + tableView->setModel(_model->getRecentRequestsTableModel());
  tableView->setAlternatingRowColors(true);
  tableView->setSelectionBehavior(QAbstractItemView::SelectRows);
  tableView->setSelectionMode(QAbstractItemView::ContiguousSelection);
  