libc++ vs. libstdc++ usage in the ports tree

[Tijl Coosemans]

On Thu, 12 Dec 2013 17:12:04 -0800 Steve Kargl wrote:
> I see the octave port is still broken.
> 
> After a clean install on my self, removing all installed ports, 
> reverting my local chnages in /usr/pors, and rebuilding all ports,
> I'm see the original problem.
> 
> % octave
> Segmentation fault (core dumped)
> 
> PLEASE, commit your patch ASAP.

Committed in r336344.