1 files changed, 6 insertions, 1 deletions

diff --git a/src/lib/libcrypto/ct/ct_local.h b/src/lib/libcrypto/ct/ct_local.h
index cd19ed096a..152ab9d8c4 100644
--- a/src/lib/libcrypto/ct/ct_local.h
+++ b/src/lib/libcrypto/ct/ct_local.h
@@ -1,4 +1,4 @@
-/*      $OpenBSD: ct_local.h,v 1.8 2021/12/20 17:19:19 jsing Exp $ */
+/*      $OpenBSD: ct_local.h,v 1.9 2025/11/26 10:19:57 tb Exp $ */
 /*
  * Written by Rob Percival (robpercival@google.com) for the OpenSSL project.
  */
@@ -51,6 +51,9 @@
  * ====================================================================
  */
 
+#ifndef HEADER_CT_LOCAL_H
+#define HEADER_CT_LOCAL_H
+
 #include <stddef.h>
 
 #include <openssl/ct.h>
@@ -258,3 +261,5 @@ int o2i_SCT_signature(SCT *sct, CBS *cbs);
  * Handlers for Certificate Transparency X509v3/OCSP extensions
  */
 extern const X509V3_EXT_METHOD v3_ct_scts[3];
+
+#endif /* HEADER_CT_LOCAL_H */