[RFA] Define EILSEQ if not defined by errno.h

[Eli Zaretskii]

> From: Pedro Alves <pedro@codesourcery.com>
> Date: Sat, 11 Apr 2009 20:26:46 +0100
> 
> On Saturday 11 April 2009 20:05:26, Eli Zaretskii wrote:
> > Any objections to the following patch?  DJGPP doesn't have EILSEQ
> > defined in its errno.h.
> 
> No objections.

Thanks.

I'd like to hear Tom's opinion as well.  Tom?

> IMO, a comment mentioning that this is what GNU iconv does
> would be good to spare such doubts for whoever reads this.

Will do, thanks for pointing this out.