build: prepend "NFD_" to various macro names to avoid conflicts

Change-Id: Icc370968e3d38fef80ece35a2aed56450f54b653
diff --git a/daemon/face/tcp-factory.hpp b/daemon/face/tcp-factory.hpp
index 0c22738..519d2dc 100644
--- a/daemon/face/tcp-factory.hpp
+++ b/daemon/face/tcp-factory.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) 2014-2021,  Regents of the University of California,
  *                           Arizona Board of Regents,
  *                           Colorado State University,
  *                           University Pierre & Marie Curie, Sorbonne University,
@@ -79,7 +79,7 @@
   bool m_wantCongestionMarking = false;
   std::map<tcp::Endpoint, shared_ptr<TcpChannel>> m_channels;
 
-PUBLIC_WITH_TESTS_ELSE_PRIVATE:
+NFD_PUBLIC_WITH_TESTS_ELSE_PRIVATE:
   IpAddressPredicate m_local;
 };