additional compiler hardening flags

[Alan Barrett]

On Sat, 18 Jan 2014, Darren Tucker wrote:
>>> [ctype functions called with char arguments]

>These have also have been fixed upstream, but there are other
>non-trivial changes in those files too.  The choices are:
> a) pull in all the changes for the release and risk breaking something
> b) pull in just the ctype fixes for the release
>
>I am not inclined to do a) until after the release, but doing b)
>before the release makes that messier.  I'm leaning toward leaving
>those 3 files until immediately after the release.

That seems fine to me.

--apb (Alan Barrett)