Fix leftover

Author: ddeboer

HttpCache/Varnish.php

@@ -2,15 +2,14 @@
 
 namespace FOS\HttpCacheBundle\HttpCache;
 
-use FOS\HttpCacheBundle\HttpCache\Invalidation\RefreshInterface;
 use Guzzle\Http\Client;
 use Guzzle\Http\ClientInterface;
 use Guzzle\Http\Exception\CurlException;
 use Guzzle\Http\Exception\MultiTransferException;
 use Monolog\Logger;
 use FOS\HttpCacheBundle\HttpCache\Invalidation\BanInterface;
 use FOS\HttpCacheBundle\HttpCache\Invalidation\PurgeInterface;
-use FOS\HttpCacheBundle\HttpCache\Invalidation\RevalidateInterface;
+use FOS\HttpCacheBundle\HttpCache\Invalidation\RefreshInterface;
 use Guzzle\Http\Message\RequestInterface;
 
 /**