ports/146643: update audio/musepack to 2009.03.01

[miwi at FreeBSD.org]

Synopsis: update audio/musepack to 2009.03.01

Responsible-Changed-From-To: freebsd-ports-bugs->miwi
Responsible-Changed-By: miwi
Responsible-Changed-When: Tue May 18 01:47:08 UTC 2010
Responsible-Changed-Why: 
I'll take it.

http://www.freebsd.org/cgi/query-pr.cgi?pr=146643