message: Fix tooltip segfault
diff: @@ -13,8 +13,8 @@ TooltipBalance::TooltipBalance(QWidget *parent, int nZerocoinBalance, int nRingB
  ui->setupUi(this);
  // TODO: Load me..
  - ui->textZero->setText(nZerocoinBalance + "Veil");
  - ui->textRing->setText(nRingBalance + "Veil");
  + ui->textZero->setText(QString::fromStdString(std::to_string(nZerocoinBalance) + " Veil"));
  + ui->textRing->setText(QString::fromStdString(std::to_string(nRingBalance) + " Veil"));
  QTimer::singleShot(3500, this, SLOT(hide()));
  