We now need wxEVT_XXX constants declarations in this file (at least when not wxHAS_NATIVE_TAB_TRAVERSAL) so include wx/event.h to fix PCH-less build of wxOSX. git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@68426 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775