Fix expected output for rules test

Author: knizhnik

src/test/regress/expected/rules.out

@@ -1307,6 +1307,11 @@ mvtest_tvv| SELECT sum(mvtest_tv.totamt) AS grandtot
    FROM mvtest_tv;
 mvtest_tvvmv| SELECT mvtest_tvvm.grandtot
    FROM mvtest_tvvm;
+pg_autoprepared_statements| SELECT p.statement,
+    p.parameter_types,
+    p.exec_count,
+    p.used_memory
+   FROM pg_autoprepared_statement() p(statement, parameter_types, exec_count, used_memory);
 pg_available_extension_versions| SELECT e.name,
     e.version,
     (x.extname IS NOT NULL) AS installed,