Fix missing or inconsistent include guards

src/rpc/protocol.h

@@ -3,8 +3,8 @@
 // Distributed under the MIT software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
-#ifndef BITCOIN_RPCPROTOCOL_H
-#define BITCOIN_RPCPROTOCOL_H
+#ifndef BITCOIN_RPC_PROTOCOL_H
+#define BITCOIN_RPC_PROTOCOL_H
 
 #include <fs.h>
 
@@ -101,4 +101,4 @@ void DeleteAuthCookie();
 /** Parse JSON-RPC batch reply into a vector */
 std::vector<UniValue> JSONRPCProcessBatchReply(const UniValue &in, size_t num);
 
-#endif // BITCOIN_RPCPROTOCOL_H
+#endif // BITCOIN_RPC_PROTOCOL_H