1 files changed, 1 insertions, 0 deletions
diff --git a/src/or/router.h b/src/or/router.h
index 9060bc22c9..55a3927998 100644
--- a/src/or/router.h
+++ b/src/or/router.h
@@ -32,6 +32,7 @@ crypto_pk_t *init_key_from_file(const char *fname, int generate,
                                     int severity, int log_greeting);
 void v3_authority_check_key_expiry(void);
 int get_onion_key_lifetime(void);
+int get_onion_key_grace_period(void);
 
 di_digest256_map_t *construct_ntor_key_map(void);
 void ntor_key_map_free(di_digest256_map_t *map);