ports/160877: port fix to build audio/cmt on nanobsd

[bf at FreeBSD.org]

Synopsis: port fix to build audio/cmt on nanobsd

Responsible-Changed-From-To: freebsd-ports-bugs->bf
Responsible-Changed-By: bf
Responsible-Changed-When: Thu Sep 22 10:27:40 UTC 2011
Responsible-Changed-Why: 
I'll take it.

http://www.freebsd.org/cgi/query-pr.cgi?pr=160877