ports/184565: cad/meshlab : fix build with gcc47, unbreak

[edwin at FreeBSD.org]

Synopsis: cad/meshlab : fix build with gcc47, unbreak

Responsible-Changed-From-To: freebsd-ports-bugs->gahr
Responsible-Changed-By: edwin
Responsible-Changed-When: Sat Dec 7 16:50:08 UTC 2013
Responsible-Changed-Why: 
Over to maintainer (via the GNATS Auto Assign Tool)

http://www.freebsd.org/cgi/query-pr.cgi?pr=184565