constification

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

diff --git a/src/src/ip.c b/src/src/ip.c
index e5945090ae6caf8823ee1f576b577db00c5fcbb7..e4a43e69a9820888ce2dd5fc30a0739d93884178 100644 (file)
--- a/src/src/ip.c
+++ b/src/src/ip.c
@@ -421,7 +421,7 @@ Returns:     nothing
 */
 
 void
-ip_keepalive(int sock, uschar *address, BOOL torf)
+ip_keepalive(int sock, const uschar *address, BOOL torf)
 {
 int fodder = 1;
 if (setsockopt(sock, SOL_SOCKET, SO_KEEPALIVE,