added wxUSE_HEADERCTRL

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@58009 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/headerctrl.h

@@ -13,6 +13,8 @@
 
 #include "wx/control.h"
 
+#if wxUSE_HEADERCTRL
+
 #include "wx/dynarray.h"
 #include "wx/vector.h"
 
@@ -461,4 +463,6 @@ typedef void (wxEvtHandler::*wxHeaderCtrlEventFunction)(wxHeaderCtrlEvent&);
 
 #define EVT_HEADER_DRAGGING_CANCELLED(id, fn) wx__DECLARE_HEADER_EVT(DRAGGING_CANCELLED, id, fn)
 
+#endif // wxUSE_HEADERCTRL
+
 #endif // _WX_HEADERCTRL_H_