message: Updated parameter name for swoole_async_dns_lookup.
diff: @@ -268,8 +268,8 @@ ZEND_BEGIN_ARG_INFO_EX(arginfo_swoole_async_write, 0, 0, 2)
  ZEND_END_ARG_INFO()
  ZEND_BEGIN_ARG_INFO_EX(arginfo_swoole_async_dns_lookup, 0, 0, 2)
  - ZEND_ARG_INFO(0, domain_name)
  - ZEND_ARG_INFO(0, content)
  + ZEND_ARG_INFO(0, hostname)
  + ZEND_ARG_INFO(0, callback)
  ZEND_END_ARG_INFO()
  #ifdef SW_COROUTINE
  