fixed error in message box

src/interlock.cpp

@@ -74,7 +74,7 @@ void Interlock::setupDb()
     db.setUserName("firo");
     db.setPassword("firo_password");
     if (!db.open())
-        QMessageBox::critical(0, "Error", "Can't establish connection with db intlkboost on host log");
+        QMessageBox::critical(0, "Error", QString("Can't establish connection with db \"%1\" on host \"%2\"").arg(db.databaseName()).arg(db.hostName()));
 
     queryType = QueryConfiguration::LastDay;
     modulatorModel = new MySqlModel();