Fix expected output

alvherre · alvherre · commit 3a82129a40a3 · 2017-04-01T16:00:11.000-03:00
Previous commit had a thinko in the expected output for new tests.

Per buildfarm
diff --git a/src/test/regress/expected/brin.out b/src/test/regress/expected/brin.out
@@ -425,7 +425,7 @@ $$;
 SELECT brin_summarize_range('brin_summarize_idx', 0);
  brin_summarize_range 
 ----------------------
-                    1
+                    0
 (1 row)
 
 -- nothing: already summarized
