X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/5d5ad9fb16a2511ff2e0e7d4528d399f06f608da..fba5586e6d47f55e024e97681c166e857c4f3d1c:/src/src/filtertest.c

diff --git a/src/src/filtertest.c b/src/src/filtertest.c
index 2426f7feb..2af5f87c2 100644
--- 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;