[PATCH 4/4] timegm: add portable implementation (Solaris support)

[David Bremner]

Vladimir.Marek at oracle.com writes:

> From: Blake Jones <blakej at foo.net>
>
> The timegm(3) function is a non-standard extension to libc which is
> available in GNU libc and on some BSDs.  Although SunOS had this
> function in its libc, Solaris (unfortunately) removed it.  This patch
> implements a very simple version of timegm() which is good enough for
> parse-time-string.c.

I pushed these 4 patches, with the small amendment of 

  s/Written by Blake Jones/Copyright 2013 Blake Jones/

Hope that's ok

d