$OpenBSD: patch-src_acct_c,v 1.7 2010/05/23 16:30:03 espie Exp $
--- src/acct.c.orig	Thu Jul  3 10:09:04 2003
+++ src/acct.c	Sat May 22 16:48:14 2010
@@ -958,11 +958,11 @@ static int rad_check_ts(struct radutmp *ut)
 
 	s = CHECKRAD2;
 	execl(CHECKRAD2, "checkrad", nas->nastype, address, port,
-		ut->login, session_id, framed_ip, NULL);
+		ut->login, session_id, framed_ip, (void *)NULL);
 	if (errno == ENOENT) {
 		s = CHECKRAD1;
 		execl(CHECKRAD1, "checkrad", nas->nastype, address, port,
-			ut->login, session_id, NULL);
+			ut->login, session_id, (void *)NULL);
 	}
 	log(L_ERR, "Check-TS: exec %s: %s", s, strerror(errno));
 
