Fixed dangling pointers bug; radio button was not removing itself from

the cycle when deleted, so when deleting and then adding a radio button, we
get a crash


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@35182 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/mac/carbon/radiobut.h

@@ -31,6 +31,7 @@ public:
     {
         Create(parent, id, label, pos, size, style, validator, name);
     }
+    ~wxRadioButton();
 
     bool Create(wxWindow *parent, wxWindowID id,
            const wxString& label,
@@ -47,6 +48,7 @@ public:
       virtual wxInt32 MacControlHit( WXEVENTHANDLERREF handler , WXEVENTREF event ) ;
     void Command(wxCommandEvent& event);
     wxRadioButton *AddInCycle(wxRadioButton *cycle);
+    void RemoveFromCycle();
     inline wxRadioButton *NextInCycle() {return m_cycle;}
     
   protected: