OS/2 update for wxUniv merge.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@10873 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/os2/checkbox.h

@@ -18,10 +18,8 @@ WXDLLEXPORT_DATA(extern const char*) wxCheckBoxNameStr;
 
 // Checkbox item (single checkbox)
 class WXDLLEXPORT wxBitmap;
-class WXDLLEXPORT wxCheckBox: public wxControl
+class WXDLLEXPORT wxCheckBox : public wxCheckBoxBase
 {
-  DECLARE_DYNAMIC_CLASS(wxCheckBox)
-
  public:
   inline wxCheckBox() { }
   inline wxCheckBox(wxWindow *parent, wxWindowID id, const wxString& label,
@@ -54,6 +52,8 @@ class WXDLLEXPORT wxCheckBox: public wxControl
 
 protected:
   virtual wxSize DoGetBestSize() const;
+private:
+  DECLARE_DYNAMIC_CLASS(wxCheckBox)
 };
 
 class WXDLLEXPORT wxBitmapCheckBox: public wxCheckBox