packaging: setup: less strict parsing of pg_hba.conf

When checking the 'local' line, do not check exact spaces.

Code partially copied from engine.

Bug-Url: https://bugzilla.redhat.com/1084760
Change-Id: I374d578735c910451bc7698444a446728b33fd58
Signed-off-by: Yedidyah Bar David <didi@redhat.com>