updating cad/opencascade

[Kurt Jaeger]

Hi!

> Although having both opencascade6 and opencascade7 in the port tree 
> might be a good idea, I didn't step forward as a candidate maintainer: I 
> think they should both be maintained by the same person.
> 
> If you are willing to test my port I can send it to you.

Can you put it in some PR on bugs.freebsd.org ?

-- 
pi at opsec.eu            +49 171 3101372                         3 years to go !