Looks like I added one X509_free too many :(

src/test/test_tortls.c

@@ -1466,11 +1466,11 @@ test_tortls_try_to_extract_certs_from_tls(void *ignored)
 
   sk_X509_push(sess->cert_chain, c1);
   sk_X509_push(sess->cert_chain, c2);
+
   try_to_extract_certs_from_tls(LOG_WARN, tls, &cert, &id_cert);
   tt_assert(cert == c1);
   tt_assert(id_cert);
   X509_free(cert); /* decrease refcnt */
-  X509_free(id_cert); /* decrease refcnt */
 
  done:
   sk_X509_free(sess->cert_chain);