EXPIRATION_DATE format

[Chuck Swiger]

Sergey Matveychuk wrote:
> Because of EXPIRATION_DATE format is not documented, it deffer from port 
> to port:
> 
> net/partysip/Makefile:EXPIRATION_DATE=2004-08-20
> print/acroread/Makefile:EXPIRATION_DATE=November 21, 2004
> www/netscape47-communicator/Makefile:EXPIRATION_DATE=12/07/2004
> 
> I think it should be fixed to common YYYY-MM-DD format?

I would agree with this.

-- 
-Chuck