core: use ndn-cxx scheduler::ScopedEventId

refs #4698

Change-Id: I5ab56855fb22824e129fd7e3ccfb53174cf34f82
diff --git a/rib/rib-manager.hpp b/rib/rib-manager.hpp
index 98d29f6..0b4eb6f 100644
--- a/rib/rib-manager.hpp
+++ b/rib/rib-manager.hpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2014-2018,  Regents of the University of California,
+ * Copyright (c) 2014-2019,  Regents of the University of California,
  *                           Arizona Board of Regents,
  *                           Colorado State University,
  *                           University Pierre & Marie Curie, Sorbonne University,
@@ -36,7 +36,7 @@
 #include <ndn-cxx/mgmt/nfd/controller.hpp>
 #include <ndn-cxx/mgmt/nfd/face-event-notification.hpp>
 #include <ndn-cxx/mgmt/nfd/face-monitor.hpp>
-#include <ndn-cxx/util/scheduler-scoped-event-id.hpp>
+#include <ndn-cxx/util/scheduler.hpp>
 
 namespace nfd {
 namespace rib {