[PATCH] [Tinderbox] Stop suggesting deprecated USE_XLIB

[Chris Rees]

Hi all,

Since x11@ is deprecating USE_XLIB, I've prepared a patch at [1] to
stop Tinderbox suggesting it.

Joe, is it OK?  Beat has kindly offered to help me with the MFH and
migration too.

Chris

[1] http://www.bayofrum.net/~crees/patches/tinderbox-xlib.diff

Shown at:

http://www.bayofrum.net/tb/index.php?action=display_failure_reasons&failure_reason_tag=USE_XORG#USE_XORG

and (at least for now)

http://www.bayofrum.net/tb/index.php?action=failed_buildports&build=9-local