Minor sepgsql regression test fixes.

contrib/sepgsql/.gitignore

@@ -3,3 +3,5 @@
 /sepgsql-regtest.if
 /sepgsql-regtest.pp
 /tmp
+# Generated subdirectories
+/results/

contrib/sepgsql/expected/dml.out

@@ -34,7 +34,8 @@ SECURITY LABEL ON FUNCTION customer_credit(int)
 SELECT objtype, objname, label FROM pg_seclabels
     WHERE provider = 'selinux'
      AND  objtype in ('table', 'column')
-     AND  objname in ('t1', 't2', 't3', 't4', 't5', 't5.e', 't5.f', 't5.g');
+     AND  objname in ('t1', 't2', 't3', 't4', 't5', 't5.e', 't5.f', 't5.g')
+ORDER BY objname;
  objtype | objname |                    label                    
 ---------+---------+---------------------------------------------
  table   | t1      | system_u:object_r:sepgsql_table_t:s0

contrib/sepgsql/sql/dml.sql

@@ -40,7 +40,8 @@ SECURITY LABEL ON FUNCTION customer_credit(int)
 SELECT objtype, objname, label FROM pg_seclabels
     WHERE provider = 'selinux'
      AND  objtype in ('table', 'column')
-     AND  objname in ('t1', 't2', 't3', 't4', 't5', 't5.e', 't5.f', 't5.g');
+     AND  objname in ('t1', 't2', 't3', 't4', 't5', 't5.e', 't5.f', 't5.g')
+ORDER BY objname;
 
 -- Hardwired Rules
 UPDATE pg_attribute SET attisdropped = true