const nsString message = szMessage;
const nsAutoString message = szMessage;
Wallet_Alert(PRUnichar * szMessage){  nsresult res;    NS_WITH_SERVICE(nsIPrompt, dialog, kNetSupportDialogCID, &res);  if (NS_FAILED(res)) {    return;     // XXX should return the error  }  const nsString message = szMessage;  res = dialog->Alert(message.GetUnicode());  return;     // XXX should return the error}