gnucash master: Better test for conflict between optimization and FORTIFY_SOURCE

[Mike Alexander]

--On May 2, 2014 5:02:45 PM -0400 John Ralls <jralls at code.gnucash.org> 
wrote:

> Updated	 via  https://github.com/Gnucash/gnucash/commit/8cb391b3
> (commit) 	from  https://github.com/Gnucash/gnucash/commit/ac9a6ae6
> (commit)
>
>
>
> commit 8cb391b30846f04eb6b874ef6dde723be372b7d0
> Author: John Ralls <jralls at ceridwen.us>
> Date:   Fri May 2 14:02:24 2014 -0700
>
>     Better test for conflict between optimization and FORTIFY_SOURCE

I pushed this to the maint branch too since the previous changes were 
there.

            Mike