message: Restore coin control functionality
  The removal of OBF also removed the ability to use coin control,
  this restores the conditional.
diff: @@ -427,6 +427,8 @@ void CoinControlDialog::viewItemChanged(QTreeWidgetItem* item, int column)
  coinControl->UnSelect(outpt);
  else if (item->isDisabled()) // locked (this happens if "check all" through parent node)
  item->setCheckState(COLUMN_CHECKBOX, Qt::Unchecked);
  + else
  + coinControl->Select(outpt);
  // selection changed -> update labels
  if (ui->treeWidget->isEnabled()) // do not update on every click for (un)select all
  