constification

[exim.git] / src / src / auths / get_data.c

diff --git a/src/src/auths/get_data.c b/src/src/auths/get_data.c
index 9c793e3ab47aabe86e1a803419a02ff31c8f6ea9..00ea9e5bdd9af038e8cf0f4d86e923ae02107280 100644 (file)
--- a/src/src/auths/get_data.c
+++ b/src/src/auths/get_data.c
@@ -2,7 +2,7 @@
 *     Exim - an Internet mail transport agent    *
 *************************************************/
 
-/* Copyright (c) University of Cambridge 1995 - 2017 */
+/* Copyright (c) University of Cambridge 1995 - 2018 */
 /* See the file NOTICE for conditions of use and distribution. */
 
 #include "../exim.h"
@@ -26,7 +26,7 @@ Returns:      OK on success
 */
 
 int
-auth_get_data(uschar **aptr, uschar *challenge, int challen)
+auth_get_data(uschar **aptr, const uschar * challenge, int challen)
 {
 int c;
 int p = 0;