optimize mac again

Yuhang Zhao

2023-12-18 326b23bf678301a72cb9d67ac64347dd5ce49a37

 src/quick/quickwindowagent_p.h

@@ -16,6 +16,10 @@

        // Host
        QQuickWindow *hostWindow{};

#ifdef Q_OS_WINDOWS
        void setupWindows10BorderWorkaround();
#endif
    };

}