Cleanup temp test file

Author: cjbj

ext/spl/tests/SplFileObject_rewind_error001.phpt

@@ -13,6 +13,10 @@ $fo = new SplFileObject('testdata.csv');
 
 $fo->rewind( "invalid" );
 
+?>
+--CLEAN--
+<?php
+unlink('testdata.csv');
 ?>
 --EXPECTF--
 Warning: SplFileObject::rewind() expects exactly 0 parameters, 1 given in %s on line %d