update style
Change-Id: I8f58e62031f89c0f29fb3cf5b21db255351330f8
diff --git a/src/detail/challenge-encoder.hpp b/src/detail/challenge-encoder.hpp
index e714095..9ef19a9 100644
--- a/src/detail/challenge-encoder.hpp
+++ b/src/detail/challenge-encoder.hpp
@@ -18,8 +18,8 @@
* See AUTHORS.md for complete list of ndncert authors and contributors.
*/
-#ifndef NDNCERT_PROTOCOL_DETAIL_CHALLENGE_STEP_HPP
-#define NDNCERT_PROTOCOL_DETAIL_CHALLENGE_STEP_HPP
+#ifndef NDNCERT_DETAIL_CHALLENGE_STEP_HPP
+#define NDNCERT_DETAIL_CHALLENGE_STEP_HPP
#include "detail/ca-state.hpp"
#include "requester-state.hpp"
@@ -40,4 +40,4 @@
} // namespace ndncert
} // namespace ndn
-#endif // NDNCERT_PROTOCOL_DETAIL_CHALLENGE_STEP_HPP
\ No newline at end of file
+#endif // NDNCERT_DETAIL_CHALLENGE_STEP_HPP
\ No newline at end of file