Fixed typo in streamRead exception text

Fixed typo in streamRead exception text.

Author: corpsee

src/Client.php

@@ -665,7 +665,7 @@ public function streamWrite(Stream $stream, string $sql, array $bind = [])
  public function streamRead(Stream $streamRead, string $sql, array $bind = [])
  {
  if ($this->getCountPendingQueue() > 0) {
- throw new QueryException('Queue must be empty, before streamWrite');
+ throw new QueryException('Queue must be empty, before streamRead');
  }
 
  return $this->transport()->streamRead($streamRead, $sql, $bind);