ports/163761: deskutils/vboxgtk: fix install failure

[linimon at FreeBSD.org]

Synopsis: deskutils/vboxgtk: fix install failure

Responsible-Changed-From-To: pgollucci->freebsd-ports-bugs
Responsible-Changed-By: linimon
Responsible-Changed-When: Fri Jun 22 02:20:27 UTC 2012
Responsible-Changed-Why: 
With bugmeister hat, return to pool due to assignee ENOTIME.

Note that this PR was already available for commit via maintainer-timeout.

http://www.freebsd.org/cgi/query-pr.cgi?pr=163761