usb/117185: [umodem] [patch] Add support for UNION interface descriptor

[linimon at FreeBSD.org]

Synopsis: [umodem] [patch] Add support for UNION interface descriptor

Responsible-Changed-From-To: freebsd-usb->thompsa
Responsible-Changed-By: linimon
Responsible-Changed-When: Thu Mar 5 19:10:09 UTC 2009
Responsible-Changed-Why: 
Committed to p4, so let thompsa track this one for merge to current.

http://www.freebsd.org/cgi/query-pr.cgi?pr=117185