ports/153187: audio/jack: make ALSA support optional

[edwin at FreeBSD.org]

Synopsis: audio/jack: make ALSA support optional

Responsible-Changed-From-To: freebsd-ports-bugs->freebsd-multimedia
Responsible-Changed-By: edwin
Responsible-Changed-When: Wed Dec 15 20:50:30 UTC 2010
Responsible-Changed-Why: 
Over to maintainer (via the GNATS Auto Assign Tool)

http://www.freebsd.org/cgi/query-pr.cgi?pr=153187