correct access for virtuals

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@49494 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/mac/carbon/dialog.h

@@ -59,15 +59,16 @@ public:
     // may be called to terminate the dialog with the given return code
     virtual void EndModal(int retCode);
 
-    // mac also takes command-period as cancel
-    virtual bool IsEscapeKey(const wxKeyEvent& event);
-
     // implementation
     // --------------
 
     // show modal dialog and enter modal loop
     void DoShowModal();
 
+protected:
+    // mac also takes command-period as cancel
+    virtual bool IsEscapeKey(const wxKeyEvent& event);
+
 private:
     void Init();