Bug#542741: enable hardening options

[Faidon Liambotis]

tags 542741 + wontfix
thanks

Kees, hi,

Kees Cook wrote:
> Since asterisk listens on external ports and processes untrusted inputs,
> I think it might benefit from having hardening[1] enabled for its build.
> The attached patch implements this.
I'm sorry, NACK.

I'm in favor of your proposal to do this in Debian as a whole.

However, I think it's wrong to do this on a per package basis, unless
there's a *very* good reason.

Thanks,
Faidon