o Add missing "\n" to warning output in netinet/if_loop.c, when an

unsupported address family is used on localhost interface.

    looutput: af=0 unexpected

  Speculation as to the reasons for my seeing this error are welcome, of
  course.  :-)

sys/net/if_loop.c

@@ -181,7 +181,7 @@ looutput(ifp, m, dst, rt)
 	case AF_APPLETALK:
 		break;
 	default:
-		printf("looutput: af=%d unexpected", dst->sa_family);
+		printf("looutput: af=%d unexpected\n", dst->sa_family);
 		m_freem(m);
 		return (EAFNOSUPPORT);
 	}