Another round of man page cleanup, this time to remove more hard sentence

breaks and getting rid of short lines, making these files easier to work with.

src/lib/libc/string/strlcpy.3

@@ -1,4 +1,4 @@
-.\" $OpenBSD: strlcpy.3,v 1.8 2000/06/01 04:02:05 millert Exp $
+.\" $OpenBSD: strlcpy.3,v 1.9 2000/10/18 05:12:07 aaron Exp $
 .\"
 .\" Copyright (c) 1998, 2000 Todd C. Miller <Todd.Miller@courtesan.com>
 .\" All rights reserved.
@@ -68,7 +68,8 @@ and
 .Fn strlcat
 only operate on true
 .Dq C
-strings.  This means that for
+strings.
+This means that for
 .Fn strlcpy
 .Fa src
 must be NUL-terminated and for