Public access to MSWWindowProc() for wxQTMediaBackend::QTWndProc() under wxUnivMSW.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@35199 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/univ/window.h

@@ -254,8 +254,13 @@ protected:
     bool m_isCurrent:1;
 
 #ifdef __WXMSW__
+
+#if wxABI_VERSION >= 20602
+public:
+#endif
     // override MSWWindowProc() to process WM_NCHITTEST
     WXLRESULT MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam);
+
 #endif // __WXMSW__
 
 private: