Build: avoid compiling code for unused transports, routers, authenticators

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

diff --git a/src/src/routers/rf_expand_data.c b/src/src/routers/rf_expand_data.c
index 5fbf0ac78600960f13fc3b6e6341495b710f122f..6ba613215e9026a5a2bf5a5f2b36a76d18458cc2 100644 (file)
--- a/src/src/routers/rf_expand_data.c
+++ b/src/src/routers/rf_expand_data.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"
@@ -31,7 +31,7 @@ uschar *
 rf_expand_data(address_item *addr, uschar *s, int *prc)
 {
 uschar *yield = expand_string(s);
-if (yield != NULL) return yield;
+if (yield) return yield;
 if (f.expand_string_forcedfail)
   {
   DEBUG(D_route) debug_printf("forced failure for expansion of \"%s\"\n", s);