tidying

[exim.git] / src / src / routers / rf_self_action.c

diff --git a/src/src/routers/rf_self_action.c b/src/src/routers/rf_self_action.c
index 7cc59203958f5e4af545069456ab12a772194637..e5da4cb91bba9e3b531c10c1aad5dafecb92ea72 100644 (file)
--- a/src/src/routers/rf_self_action.c
+++ b/src/src/routers/rf_self_action.c
@@ -4,7 +4,7 @@
 
 /* Copyright (c) University of Cambridge 1995 - 2009 */
 /* See the file NOTICE for conditions of use and distribution. */
-/* SPDX-License-Identifier: GPL-2.0-only */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 
 #include "../exim.h"
@@ -74,7 +74,7 @@ switch (code)
     and where it has come from. Otherwise, during message delivery, the normal
     logging for the address will be sufficient. */
 
-    if (message_id[0] == 0)
+    if (!message_id[0])
       if (sender_fullhost)
        log_write(0, LOG_MAIN, "%s: %s (while verifying <%s> from host %s)",
          msg, addr->domain, addr->address, sender_fullhost);