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/toplevel.cpp

@@ -211,7 +211,7 @@ static pascal OSStatus KeyboardEventHandler( EventHandlerCallRef handler , Event
 
                 event.m_x = point.h;
                 event.m_y = point.v;
-                event.m_timeStamp = when;
+                event.SetTimestamp(when);
                 wxWindow* focus = wxWindow::FindFocus() ;
                 event.SetEventObject(focus);