mgmt: move management/nfd-* to mgmt/nfd/

refs #3760

Change-Id: Ib4bde3412b5c39b9f4f46113199cebe78704505e
diff --git a/src/detail/registered-prefix.hpp b/src/detail/registered-prefix.hpp
index bdc69bf..5b08167 100644
--- a/src/detail/registered-prefix.hpp
+++ b/src/detail/registered-prefix.hpp
@@ -27,8 +27,8 @@
 #include "../interest.hpp"
 
 #include "interest-filter-record.hpp"
-#include "management/nfd-command-options.hpp"
-#include "management/nfd-control-parameters.hpp"
+#include "mgmt/nfd/command-options.hpp"
+#include "mgmt/nfd/control-parameters.hpp"
 
 namespace ndn {