Added missing imports

diff --git a/wcfsetup/install/files/lib/action/ImageProxyAction.class.php b/wcfsetup/install/files/lib/action/ImageProxyAction.class.php
index 7cb064bb15e5c73346a3ffe326bc9946daf54703..6e56668dacddc29c17b367116bd77811fbcd9507 100644 (file)
--- a/wcfsetup/install/files/lib/action/ImageProxyAction.class.php
+++ b/wcfsetup/install/files/lib/action/ImageProxyAction.class.php
@@ -2,9 +2,11 @@
 namespace wcf\action;
 use wcf\system\exception\IllegalLinkException;
 use wcf\system\exception\SystemException;
+use wcf\system\WCF;
 use wcf\util\exception\CryptoException;
 use wcf\util\CryptoUtil;
 use wcf\util\FileUtil;
+use wcf\util\HeaderUtil;
 use wcf\util\HTTPRequest;
 use wcf\util\StringUtil;