core: slim down `common.hpp`
Change-Id: I875c35147edd2261fbaa24e809c170d5cd9b94d3
diff --git a/daemon/mgmt/manager-base.hpp b/daemon/mgmt/manager-base.hpp
index d9b351a..a664c9e 100644
--- a/daemon/mgmt/manager-base.hpp
+++ b/daemon/mgmt/manager-base.hpp
@@ -1,6 +1,6 @@
/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
- * Copyright (c) 2014-2023, Regents of the University of California,
+ * Copyright (c) 2014-2024, Regents of the University of California,
* Arizona Board of Regents,
* Colorado State University,
* University Pierre & Marie Curie, Sorbonne University,
@@ -33,6 +33,8 @@
#include <ndn-cxx/mgmt/nfd/control-parameters.hpp>
#include <ndn-cxx/mgmt/nfd/control-response.hpp>
+#include <functional>
+
namespace nfd {
using ndn::mgmt::Dispatcher;