Massive constification.
diff --git a/apps/s_server.c b/apps/s_server.c
index de0c712..8edd8e7 100644
--- a/apps/s_server.c
+++ b/apps/s_server.c
@@ -792,7 +792,7 @@
 SSL *con;
 	{
 	int i;
-	char *str;
+	const char *str;
 	X509 *peer;
 	long verify_error;
 	MS_STATIC char buf[BUFSIZ];