Fix for disabled controls

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_2_BRANCH@7280 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/msw/radiobut.h

@@ -48,6 +48,9 @@ class WXDLLEXPORT wxRadioButton: public wxControl
   virtual bool GetValue(void) const ;
 
   bool MSWCommand(WXUINT param, WXWORD id);
+  virtual WXHBRUSH OnCtlColor(WXHDC pDC, WXHWND pWnd, WXUINT nCtlColor,
+            WXUINT message, WXWPARAM wParam, WXLPARAM lParam);
+
   void Command(wxCommandEvent& event);
 };