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

Change-Id: Icc370968e3d38fef80ece35a2aed56450f54b653
diff --git a/daemon/fw/best-route-strategy2.hpp b/daemon/fw/best-route-strategy2.hpp
index bcb994d..79c6c0d 100644
--- a/daemon/fw/best-route-strategy2.hpp
+++ b/daemon/fw/best-route-strategy2.hpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2014-2020,  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,
@@ -68,7 +68,7 @@
   afterReceiveNack(const FaceEndpoint& ingress, const lp::Nack& nack,
                    const shared_ptr<pit::Entry>& pitEntry) override;
 
-PUBLIC_WITH_TESTS_ELSE_PRIVATE:
+NFD_PUBLIC_WITH_TESTS_ELSE_PRIVATE:
   static const time::milliseconds RETX_SUPPRESSION_INITIAL;
   static const time::milliseconds RETX_SUPPRESSION_MAX;
   RetxSuppressionExponential m_retxSuppression;