added missing const for Apple DevTools

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@13508 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

diff --git a/include/wx/mac/private.h b/include/wx/mac/private.h
index b2ad16aff3176debf439eb17d21c2eb7a0f054bc..1f9e0b0c41ea189ff7872af657aafd50db17a6d8 100644 (file)
--- a/include/wx/mac/private.h
+++ b/include/wx/mac/private.h
@@ -65,7 +65,7 @@ public :
        ~wxMacPortSetter() ;
 private :
        wxMacPortStateHelper m_ph ;
-       wxDC* m_dc ;
+       const wxDC* m_dc ;
 } ;
 
 class wxMacDrawingHelper