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-rw-r--r--src/test/test_dir_common.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/test/test_dir_common.h b/src/test/test_dir_common.h
index d6c5241b14..619dc83eb9 100644
--- a/src/test/test_dir_common.h
+++ b/src/test/test_dir_common.h
@@ -3,6 +3,9 @@
* Copyright (c) 2007-2019, The Tor Project, Inc. */
/* See LICENSE for licensing information */
+#ifndef TOR_TEST_DIR_COMMON_H
+#define TOR_TEST_DIR_COMMON_H
+
#include "core/or/or.h"
#include "feature/nodelist/networkstatus.h"
@@ -49,3 +52,4 @@ int dir_common_construct_vote_3(networkstatus_t **vote,
networkstatus_t **vote_out, int *n_vrs, time_t now,
int clear_rl);
+#endif /* !defined(TOR_TEST_DIR_COMMON_H) */