message: fix http2 option error
diff: @@ -53,6 +53,7 @@ typedef struct
  uint32_t window_size;
  uint32_t max_concurrent_streams;
  uint32_t max_frame_size;
  + uint32_t max_header_list_size;
  nghttp2_hd_inflater *inflater;
  zval *object;
  @@ -509,6 +510,10 @@ static int http2_client_onFrame(zval *zobject, zval *zdata TSRMLS_DC)
  hcc->max_frame_size = value;
  swTraceLog(SW_TRACE_HTTP2, "setting: max_frame_size=%d.", value);
  break;
  + case SW_HTTP2_SETTINGS_MAX_HEADER_LIST_SIZE:
  + hcc->max_header_list_size = value;
  + swTraceLog(SW_TRACE_HTTP2, "setting: max_header_list_size=%d.", value);
  + break;
  default:
  swWarn("unknown option[%d].", id);
  break;
  