Fix quick initialization failure

Sine Striker

2024-02-25 6f6f96909e7ded6ae3a4e59d9d4b62fa593abb23

 examples/mainwindow/main.cpp

@@ -32,5 +32,10 @@

    MainWindow w;
    w.show();

#if 0
    QMainWindow w2;
    w2.show();
#endif
    return a.exec();
}