security: add support for SHA-3

Requires openssl >= 1.1.1-pre1

Change-Id: I8d91ca30425129694f3b0fc40daa891b58ded065
diff --git a/src/security/detail/openssl.hpp b/src/security/detail/openssl.hpp
index 99d20cb..252d370 100644
--- a/src/security/detail/openssl.hpp
+++ b/src/security/detail/openssl.hpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2013-2017 Regents of the University of California.
+ * Copyright (c) 2013-2018 Regents of the University of California.
  *
  * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
  *
@@ -33,7 +33,6 @@
 #include <openssl/ec.h>
 #include <openssl/err.h>
 #include <openssl/evp.h>
-#include <openssl/hmac.h>
 #include <openssl/pem.h>
 #include <openssl/rand.h>
 #include <openssl/rsa.h>