core: move common.hpp to core/
Headers in core/ are now included as `#include "core/*.hpp"`.
This allows NFD to rely less on include paths when used as a submodule in
another codebase, such as ndnSIM and NFD-Android.
refs #3127
Change-Id: Ia38f3c97427e17ff7b5401281f1fe875b5d5313e
diff --git a/daemon/face/udp-protocol.hpp b/daemon/face/udp-protocol.hpp
index 76a7bed..5f7c25a 100644
--- a/daemon/face/udp-protocol.hpp
+++ b/daemon/face/udp-protocol.hpp
@@ -1,6 +1,6 @@
/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/**
- * Copyright (c) 2014-2015, Regents of the University of California,
+ * Copyright (c) 2014-2016, Regents of the University of California,
* Arizona Board of Regents,
* Colorado State University,
* University Pierre & Marie Curie, Sorbonne University,
@@ -26,7 +26,7 @@
#ifndef NFD_DAEMON_FACE_UDP_PROTOCOL_HPP
#define NFD_DAEMON_FACE_UDP_PROTOCOL_HPP
-#include "common.hpp"
+#include "core/common.hpp"
namespace nfd {
namespace udp {