iscsid(8): fix memory leak by freeing the 'addr'

Reviewed By:	mav
Sponsored by:	NetApp, Inc.
Sponsored by:	Klara, Inc.
Differential Revision: https://reviews.freebsd.org/D27328

usr.sbin/iscsid/iscsid.c

@@ -150,6 +150,8 @@ resolve_addr(const struct connection *conn, const char *address,
 		log_errx(1, "getaddrinfo for %s failed: %s",
 		    address, gai_strerror(error));
 	}
+
+	free(addr);
 }
 
 static struct connection *