X-Git-Url: https://vcs.fsf.org/?p=exim.git;a=blobdiff_plain;f=src%2Fsrc%2Frda.c;h=99c5513b28c676d2b39a5c2c9289e3c234d04896;hp=f915ce7401eaa87d5eee17c6d277d48888f488b4;hb=55414b2;hpb=2ad7897851d62bc690844f416d4ca2fabedf9459

diff --git a/src/src/rda.c b/src/src/rda.c
index f915ce740..99c5513b2 100644
--- a/src/src/rda.c
+++ b/src/src/rda.c
@@ -444,7 +444,7 @@ Returns:     -1 on error, else 0
 */
 
 static int
-rda_write_string(int fd, uschar *s)
+rda_write_string(int fd, const uschar *s)
 {
 int len = (s == NULL)? 0 : Ustrlen(s) + 1;
 return (  write(fd, &len, sizeof(int)) != sizeof(int)