Follow style(9) and drop lint /* NOTREACHED */ annotations from

the examples.
Diff from Juuso Lapinlampi < wub () partyvan ! eu >, thanks!
ok schwarze@

src/lib/libc/stdlib/getopt.3

@@ -25,9 +25,9 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.\"	$OpenBSD: getopt.3,v 1.45 2015/11/24 09:03:16 bentley Exp $
+.\"	$OpenBSD: getopt.3,v 1.46 2016/01/04 19:43:13 tb Exp $
 .\"
-.Dd $Mdocdate: November 24 2015 $
+.Dd $Mdocdate: January 4 2016 $
 .Dt GETOPT 3
 .Os
 .Sh NAME
@@ -183,7 +183,6 @@ while ((ch = getopt(argc, argv, "bf:")) != -1) {
 		break;
 	default:
 		usage();
-		/* NOTREACHED */
 	}
 }
 argc -= optind;

src/lib/libc/stdlib/getopt_long.3

@@ -1,4 +1,4 @@
-.\"	$OpenBSD: getopt_long.3,v 1.20 2013/06/05 03:39:23 tedu Exp $
+.\"	$OpenBSD: getopt_long.3,v 1.21 2016/01/04 19:43:13 tb Exp $
 .\"	$NetBSD: getopt_long.3,v 1.11 2002/10/02 10:54:19 wiz Exp $
 .\"
 .\" Copyright (c) 1988, 1991, 1993
@@ -30,7 +30,7 @@
 .\"
 .\"     @(#)getopt.3	8.5 (Berkeley) 4/27/95
 .\"
-.Dd $Mdocdate: June 5 2013 $
+.Dd $Mdocdate: January 4 2016 $
 .Dt GETOPT_LONG 3
 .Os
 .Sh NAME
@@ -420,7 +420,6 @@ while ((ch = getopt_long(argc, argv, "bf:", longopts, NULL)) != -1)
 		break;
 	default:
 		usage();
-		/* NOTREACHED */
 	}
 argc -= optind;
 argv += optind;