change RequestID to RequestId

Change-Id: Icb426614f391d2828c906155a0d37fd7da7c13f8
diff --git a/src/detail/new-renew-revoke-encoder.hpp b/src/detail/new-renew-revoke-encoder.hpp
index 96c6862..9803a57 100644
--- a/src/detail/new-renew-revoke-encoder.hpp
+++ b/src/detail/new-renew-revoke-encoder.hpp
@@ -39,12 +39,12 @@
 
   static Block
   encodeDataContent(const std::vector<uint8_t>& ecdhKey, const std::array<uint8_t, 32>& salt,
-                    const RequestID& requestId, const Status& status,
+                    const RequestId& requestId, const Status& status,
                     const std::list<std::string>& challenges);
 
   static std::list<std::string>
   decodeDataContent(const Block& content, std::vector<uint8_t>& ecdhKey,
-                    std::array<uint8_t, 32>& salt, RequestID& requestId, Status& status);
+                    std::array<uint8_t, 32>& salt, RequestId& requestId, Status& status);
 };
 
 } // namespace ndncert