fix hack/db script
fix hack/db script

was foolish and failed to test this before, and then
we further added a db password

Signed-off-by: Jamie Klassen <d740210502544aa0776b92978c6db85774130b86@pivotal.io>

concourse/concourse,concourse/concourse,concourse/concourse,concourse/concourse,concourse/concourse