.{N,O}x fixes;

src/lib/libc/stdlib/strtonum.3

@@ -1,4 +1,4 @@
-.\" $OpenBSD: strtonum.3,v 1.7 2004/09/21 15:01:59 millert Exp $
+.\" $OpenBSD: strtonum.3,v 1.8 2004/11/22 00:58:39 jmc Exp $
 .\"
 .\" Copyright (c) 2004 Ted Unangst
 .\"
@@ -139,5 +139,4 @@ are either impossible or difficult to use safely.
 The
 .Fn strtonum
 function first appeared in
-.Ox
-3.6.
+.Ox 3.6 .