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-rw-r--r--src/hash.cpp5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/hash.cpp b/src/hash.cpp
index 29376b45aa..aaca00ea2d 100644
--- a/src/hash.cpp
+++ b/src/hash.cpp
@@ -1,4 +1,9 @@
+// Copyright (c) 2013-2014 The Bitcoin developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
#include "hash.h"
+#include "crypto/hmac_sha512.h"
inline uint32_t ROTL32(uint32_t x, int8_t r)
{