fix mem leak

Yuhang Zhao

2023-12-06 075a1fd1d67c6e347ab40f460819067b947f92f6

 src/core/corewindowagent.h

@@ -11,9 +11,7 @@

    class QWK_CORE_EXPORT CoreWindowAgent : public QObject {
        Q_OBJECT
        Q_DISABLE_COPY(CoreWindowAgent)
        Q_DECLARE_PRIVATE(CoreWindowAgent)

    public:
        ~CoreWindowAgent() override;