[patch] typo smtpd/dns.c

[Edgar Pettijohn]

fix typo

Index: dns.c
===================================================================
RCS file: /cvs/src/usr.sbin/smtpd/dns.c,v
retrieving revision 1.83
diff -u -p -u -r1.83 dns.c
--- dns.c	28 Oct 2015 07:28:13 -0000	1.83
+++ dns.c	30 May 2017 22:09:15 -0000
@@ -246,7 +246,7 @@ dns_imsg(struct mproc *p, struct imsg *i
 
 		as = res_query_async(s->name, C_IN, T_MX, NULL);
 		if (as == NULL) {
-			log_warn("warn: req_query_async: %s", s->name);
+			log_warn("warn: res_query_async: %s", s->name);
 			m_create(s->p, IMSG_MTA_DNS_HOST_END, 0, 0, -1);
 			m_add_id(s->p, s->reqid);
 			m_add_int(s->p, DNS_EINVAL);