ffs: remove unused thread argument from ffs_reload()

[imp]

sys/ufs/ffs/ffs_vfsops.c

568

How do you know this is curthread here?

[rew]

sys/ufs/ffs/ffs_vfsops.c

385

It gets assigned here

568

Before commit a92a971bbb94ad5b, vget() would assert that td == curthread.

In the above commit, the thread argument was dropped from vget().

vget() was the last consumer of the thread argument in ffs_reload(); curthread or the thread argument isn't referenced at all in ffs_reload().

[imp]

sys/ufs/ffs/ffs_vfsops.c

568

Then this looks good to me... I'd get kib or kirk to bless