minor cleanup

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@62789 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/generic/busyinfo.h

@@ -7,13 +7,15 @@
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-#ifndef __BUSYINFO_H__
-#define __BUSYINFO_H__
+#ifndef _WX_BUSYINFO_H_
+#define _WX_BUSYINFO_H_
 
 #include "wx/defs.h"
 
 #if wxUSE_BUSYINFO
 
+#include "wx/object.h"
+
 class WXDLLIMPEXP_FWD_CORE wxFrame;
 class WXDLLIMPEXP_FWD_CORE wxWindow;
 
@@ -36,7 +38,5 @@ private:
     wxDECLARE_NO_COPY_CLASS(wxBusyInfo);
 };
 
-
 #endif // wxUSE_BUSYINFO
-
-#endif // __BUSYINFO_H__
+#endif // _WX_BUSYINFO_H_