merge detail folders

Change-Id: Id8f126bb4f4dd621f224d3d705b22f85e00babad
diff --git a/src/requester-state.hpp b/src/requester-state.hpp
index 8a254c6..09c46ac 100644
--- a/src/requester-state.hpp
+++ b/src/requester-state.hpp
@@ -21,8 +21,8 @@
 #ifndef NDNCERT_REQUESTER_STATE_HPP
 #define NDNCERT_REQUESTER_STATE_HPP
 
-#include "protocol-detail/ndncert-common.hpp"
-#include "protocol-detail/crypto-helper.hpp"
+#include "detail/ndncert-common.hpp"
+#include "detail/crypto-helper.hpp"
 #include "configuration.hpp"
 
 namespace ndn {