Use event modifiers and accessors rather than m_ variables directly, which are now protected rather than public with 2.4 compatibility disabled

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@31454 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/mac/carbon/listbox.cpp

@@ -864,7 +864,7 @@ void wxListBox::OnChar(wxKeyEvent& event)
             n = -1;
         }
         
-        event.m_commandInt = n;
+        event.SetInt(n);
         
         GetEventHandler()->ProcessEvent(event);
     }
@@ -891,7 +891,7 @@ void wxListBox::OnChar(wxKeyEvent& event)
                     event.SetClientData( GetClientData(line) );
                 event.SetString( GetString(line) );
                 
-                event.m_commandInt = line ;
+                event.SetInt(line);
                 
                 GetEventHandler()->ProcessEvent(event);
             }