Make wxClassInfo attributes private. Replace

direct access to sm_classTable with a (const) iterator
interface.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@45478 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/dynload.h

@@ -82,8 +82,8 @@ public:
 
 private:
 
-    wxClassInfo    *m_before;       // sm_first before loading this lib
-    wxClassInfo    *m_after;        // ..and after.
+    const wxClassInfo    *m_before; // sm_first before loading this lib
+    const wxClassInfo    *m_after;  // ..and after.
 
     size_t          m_linkcount;    // Ref count of library link calls
     size_t          m_objcount;     // ..and (pluggable) object instantiations.