management: nfdc support and link error fix
Static INVALID_FACE_ID constant was causing link error (multiple
definitions). Now it is defined just as a constant and moved to
the general-purpose NFD-related ``encoding/tlv-nfd.hpp`` header.
Change-Id: I04295fa07f809aae9a24a531e31facf09c78729f
refs: #1198
diff --git a/src/encoding/tlv-nfd.hpp b/src/encoding/tlv-nfd.hpp
index 584f62a..c7f3620 100644
--- a/src/encoding/tlv-nfd.hpp
+++ b/src/encoding/tlv-nfd.hpp
@@ -40,6 +40,13 @@
} // namespace nfd
} // namespace tlv
+
+namespace nfd {
+
+const uint64_t INVALID_FACE_ID = std::numeric_limits<uint64_t>::max();
+
+} // namespace nfd
+
} // namespace ndn
#endif // NDN_TLV_NFD_HPP