modifications for compilation under Mac OS X

applied patches extracted from submission by Marc Newsam (tested under Mac OS 9)


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@9372 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/listbox.h

@@ -45,6 +45,9 @@ class WXDLLEXPORT wxListBoxBase : public wxControlWithItems
 public:
     // all generic methods are in wxControlWithItems, except for the following
     // ones which are not yet implemented by wxChoice/wxCombobox
+#ifdef __WXMAC_X__
+    virtual ~wxListBoxBase() {}  // Added min for Mac X
+#endif
 
     void Insert(const wxString& item, int pos)
         { DoInsert(item, pos); }