ports/183838: Fix sysutils/dvdisaster build with clang [PATCH]

[nemysis at FreeBSD.org]

Synopsis: Fix sysutils/dvdisaster build with clang [PATCH]

Responsible-Changed-From-To: freebsd-ports-bugs->nemysis
Responsible-Changed-By: nemysis
Responsible-Changed-When: Wed Jan 8 00:21:56 UTC 2014
Responsible-Changed-Why: 
I'll take it.

http://www.freebsd.org/cgi/query-pr.cgi?pr=183838