libidn addition.
removed a paste left-over.
CVE-2013-0178, CVE-2013-0180
CVE-2013-0172
* Utilize SOL_SOCKET in getsockopt.
* NetBSD does not support abstract namespace.
* Remove superfluous OS-NETBSDs.
(1) Bump version 3.21.65 to 3.21.66
=Version 3.21.66=
        Thor reset
        File Selector
        Macros
        CW modem
        User configurable items

(2) Sync to ham/fldigi
  (a) patch-src_throb_throb.cxx (Add)
    $NetBSD: patch-src_throb_throb.cxx,v 1.1 2012/11/19 23:23:39 joerg Exp $
    Don't use variable length arrays of non-POD types.
  (b) options.mk (Remove)
    fltk11 or fltk13 selection, now with fltk13 only.
Regenerate distinfo.