message: Fix Swoole\Connection\Iterator.
diff: @@ -34,11 +34,9 @@ using namespace swoole;
  typedef struct
  {
  int current_fd;
  - int max_fd;
  uint32_t session_id;
  swServer *serv;
  swListenPort *port;
  - int end;
  int index;
  } swConnectionIterator;
  @@ -942,8 +940,8 @@ static zval* php_swoole_server_add_port(swServer *serv, swListenPort *port)
  swConnectionIterator *i = (swConnectionIterator *) emalloc(sizeof(swConnectionIterator));
  bzero(i, sizeof(swConnectionIterator));
  - i->port = port;
  i->serv = serv;
  + i->port = port;
  swoole_set_object(&connection_iterator, i);
  (void) add_next_index_zval(server_port_list.zports, port_object);
  @@ -4264,6 +4262,7 @@ static PHP_METHOD(swoole_server, stop)
  static PHP_METHOD(swoole_connection_iterator, rewind)
  {
  swConnectionIterator *itearator = (swConnectionIterator *) swoole_get_object(getThis());
  + itearator->index = 0;
  itearator->current_fd = swServer_get_minfd(itearator->serv);
  }
  