- Disable "resolvconf -d" temporarily to avoid extra invocations of the script

under a certain condition.
- Fix argv handling.

Spotted by:	ume

usr.sbin/rtsold/rtsol.c

@@ -625,8 +625,10 @@ ra_opt_handler(struct ifinfo *ifi)
 
 	if (!TAILQ_EMPTY(&sm_rdnss_head))
 		CALL_SCRIPT(RESADD, &sm_rdnss_head);
+#if 0
 	else
 		CALL_SCRIPT(RESDEL, NULL);
+#endif
 
 ra_opt_handler_freeit:
 	/* Clear script message queue. */

usr.sbin/rtsold/rtsold.c

@@ -124,6 +124,7 @@ main(int argc, char **argv)
 	int maxfd;
 #endif
 	int rtsock;
+	char *argv0;
 
 #ifndef SMALL
 	/* rtsold */
@@ -134,6 +135,8 @@ main(int argc, char **argv)
 	fflag = 1;
 	once = 1;
 #endif
+	argv0 = argv[0];
+
 	while ((ch = getopt(argc, argv, opts)) != -1) {
 		switch (ch) {
 		case 'a':
@@ -185,9 +188,9 @@ main(int argc, char **argv)
 	if (!fflag) {
 		char *ident;
 
-		ident = strrchr(argv[0], '/');
+		ident = strrchr(argv0, '/');
 		if (!ident)
-			ident = argv[0];
+			ident = argv0;
 		else
 			ident++;
 		openlog(ident, LOG_NDELAY|LOG_PID, LOG_DAEMON);