fix some win32 issues

Yuhang Zhao

2023-12-27 e5370435a9d4297d0ba227f2237d7ed16bba7e82

 src/widgets/widgetwindowagent_p.h

@@ -32,7 +32,7 @@
        std::unique_ptr<QObject> systemButtonAreaWidgetEventFilter;
#endif

#if defined(Q_OS_WINDOWS) && QWINDOWKIT_CONFIG(ENABLE_WINDOWS_SYSTEM_BORDER)
#if defined(Q_OS_WINDOWS) && QWINDOWKIT_CONFIG(ENABLE_WINDOWS_SYSTEM_BORDERS)
        void setupWindows10BorderWorkaround();
        std::unique_ptr<QObject> borderHandler;
#endif