build: == Dependency change ==  NFD now depends on ndn-cxx library

Change-Id: Ia9dd324a536573b5ac4fe1b73d82af772dc84923
Refs: #1536
diff --git a/daemon/mgmt/command-validator.hpp b/daemon/mgmt/command-validator.hpp
index 8456db3..b2cb184 100644
--- a/daemon/mgmt/command-validator.hpp
+++ b/daemon/mgmt/command-validator.hpp
@@ -27,7 +27,7 @@
 
 #include "common.hpp"
 #include "config-file.hpp"
-#include <ndn-cpp-dev/util/command-interest-validator.hpp>
+#include <ndn-cxx/util/command-interest-validator.hpp>
 
 namespace nfd {