skein-infra: Use positional parameter instead of variable

Instead of relying on positional parameters, bind_umount() still
referenced "$i" from the function it initially came from, teardown().
This worked because the variable was still in scope, but is arguably
unclean and confusing.

Use positional parameters for bind_umount() instead, like bind_mount()
does.

0 files changed, 0 insertions, 0 deletions