Fix phpGH-12763: PGSQL pg_untrace(): Argument php#1 ($connection) must be of type resource or null, PgSql\Connection given.

Expanded test bugGH12763.phpt

Author: degtyaryov

ext/pgsql/tests/bugGH12763.phpt

@@ -15,13 +15,9 @@ pg_trace($file_name, 'w', $conn);
 pg_query($conn, 'select 1 as a');
 pg_untrace($conn);
 $items = explode("\n", file_get_contents($file_name));
-foreach ($items as &$item) {
-    $item = preg_replace('!^.*?\s!', '', $item);
-    $item = preg_replace('!^.*?\s!', '', $item);
-}
 unlink($file_name);
-echo md5(implode("\n", $items));
+echo isset($items[0]) ? 'OK' : 'FAIL';
 
 ?>
 --EXPECT--
-487dba3a362f8aa1c4b585cdd87d3f2d
+OK