1 files changed, 9 insertions, 1 deletions

diff --git a/src/lib/libcrypto/modes/modes.h b/src/lib/libcrypto/modes/modes.h
index a532cb3f41..67ec7518d6 100644
--- a/src/lib/libcrypto/modes/modes.h
+++ b/src/lib/libcrypto/modes/modes.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: modes.h,v 1.2 2014/06/12 15:49:30 deraadt Exp $ */
+/* $OpenBSD: modes.h,v 1.3 2018/07/24 10:47:19 bcook Exp $ */
 /* ====================================================================
  * Copyright (c) 2008 The OpenSSL Project. All rights reserved.
  *
@@ -8,6 +8,10 @@
 
 #include <stddef.h>
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 typedef void (*block128_f)(const unsigned char in[16],
                         unsigned char out[16],
                         const void *key);
@@ -134,3 +138,7 @@ typedef struct xts128_context XTS128_CONTEXT;
 
 int CRYPTO_xts128_encrypt(const XTS128_CONTEXT *ctx, const unsigned char iv[16],
         const unsigned char *inp, unsigned char *out, size_t len, int enc);
+
+#ifdef __cplusplus
+}
+#endif