fixup! test: add dcz output handler

Author: kjdev

tests/ob_dcz_004.phpt

@@ -7,7 +7,7 @@ include (dirname(__FILE__) . '/ob_skipif.inc');
 --GET--
 ob=dictionary
 --ENV--
-HTTP_ACCEPT_ENCODING=zstd,dcz
+HTTP_ACCEPT_ENCODING=dcz,zstd
 HTTP_AVAILABLE_DICTIONARY=:test:
 --FILE--
 <?php