Fix cleaup of fileinfo test

Author: iluuu1994

ext/fileinfo/tests/cve-2014-3538-nojit.phpt

@@ -34,7 +34,7 @@ if ($t < 1) {
 Done
 --CLEAN--
 <?php
-//@unlink(__DIR__.'/cve-2014-3538.data');
+@unlink(__DIR__.'/cve-2014-3538.data');
 ?>
 --EXPECTF--
 string(%d) "%s"