further update organization

Change-Id: If8048a9225ba3eb446a15014a0535f5edd271a40
diff --git a/src/requester-state.hpp b/src/requester-state.hpp
index f77b591..6e8be3d 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 {