[sudo-workers] Improve stack smashing protector check

[Todd C. Miller]

On Thu, 29 Oct 2015 05:41:56 -0600, "Todd C. Miller" wrote:

> On Wed, 28 Oct 2015 13:58:21 -0000, Vicente Olivert Riera wrote:
> 
> > The attached patch is an improvement for the stack smashing protector
> > check in the configure.ac file.
> 
> This is a good idea but it needs to use AC_COMPILE_IFELSE instead
> of calling CC directly.  I'll take a stab at this for the upcoming
> 1.8.16 release.

I've just committed the following:
    http://www.sudo.ws/repos/sudo/rev/4ade5d1249f4

 - todd