ports/181505: [ports/multimedia/dirac] Fix build error by CXX=clang

[edwin at FreeBSD.org]

Synopsis: [ports/multimedia/dirac] Fix build error by CXX=clang

Responsible-Changed-From-To: freebsd-ports-bugs->freebsd-multimedia
Responsible-Changed-By: edwin
Responsible-Changed-When: Sat Aug 24 16:30:08 UTC 2013
Responsible-Changed-Why: 
Over to maintainer (via the GNATS Auto Assign Tool)

http://www.freebsd.org/cgi/query-pr.cgi?pr=181505