constification

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

diff --git a/src/src/filtertest.c b/src/src/filtertest.c
index 2426f7feb2e97fa957bc671f50e82e935306167b..2af5f87c2a3210f56412fd67ad1d665d93d9f6c8 100644 (file)
--- a/src/src/filtertest.c
+++ b/src/src/filtertest.c
@@ -164,7 +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;