[PATCH] xfstest: fix btrfs/006 for 10+ devices in SCRATCH_DEV_POOL

[Rich Johnston]

Thanks for the patch Stefan, it has been committed.

--Rich

commit 0d3bbd18942bfac464d18f88c0a3c100c67a24f2
Author: Stefan Behrens <sbehrens at giantdisaster.de>
Date:   Fri Aug 23 13:07:13 2013 +0000

     xfstests: fix btrfs/006 for 10+ devices in SCRATCH_DEV_POOL