add file control for pg_hba

manifests/main/files.pp

@@ -19,6 +19,7 @@ class postgresql_cd::main::files (
       seltype  => postgresql_db_t,
       seluser  => unconfined_u,
       content  => template('postgresql_cd/pg_hba.conf.erb'),
+      notify   => Service[$pl_service],
     }
   }
 }