tree 61a8ee870f2ce740362bdb964142f902753c408d
parent 4bcf6529d5096c16fd1b9c418d5c40d2bb8a2831
author gordon chung <gord@live.ca> 1455828601 -0500
committer gordon chung <gord@live.ca> 1455828601 -0500

fix postgres service name

in fedora postgresql is the service name and postgresql-server is
the package.[1]

os: Fedora release 23 (Twenty Three)
psql: psql (PostgreSQL) 9.4.5

i'm not entirely sure when this changed, but it's devstack is broken
in above environment.

[1]https://fedoraproject.org/wiki/PostgreSQL

Change-Id: Id940fed2a777ca469ce77402e1136251ba572359