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

diff --git a/src/src/spool_in.c b/src/src/spool_in.c
index 737a01cdd..588effd2c 100644
--- a/src/src/spool_in.c
+++ b/src/src/spool_in.c
@@ -36,7 +36,7 @@ Side effect: message_subdir is set for the (possibly split) spool directory
 */
 
 int
-spool_open_datafile(uschar * id)
+spool_open_datafile(const uschar * id)
 {
 struct stat statbuf;
 flock_t lock_data;