constification

[exim.git] / src / src / filtertest.c

diff --git a/src/src/filtertest.c b/src/src/filtertest.c
index 87ebfb14f676c15360c36c68dd23372ec74e2343..2af5f87c2a3210f56412fd67ad1d665d93d9f6c8 100644 (file)
--- a/src/src/filtertest.c
+++ b/src/src/filtertest.c
@@ -5,6 +5,7 @@
 /* Copyright (c) The Exim Maintainers 2021 - 2022 */
 /* Copyright (c) University of Cambridge 1995 - 2009 */
 /* See the file NOTICE for conditions of use and distribution. */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 
 
 /* Code for the filter test function. */
@@ -163,7 +164,7 @@ Returns:      TRUE if no errors
 */
 
 BOOL
-filter_runtest(int fd, uschar *filename, BOOL is_system, BOOL dot_ended)
+filter_runtest(int fd, const uschar * filename, BOOL is_system, BOOL dot_ended)
 {
 int rc, filter_type;
 BOOL yield;