Add missing import

diff --git a/wcfsetup/install/files/lib/system/cronjob/DailyMailNotificationCronjob.class.php b/wcfsetup/install/files/lib/system/cronjob/DailyMailNotificationCronjob.class.php
index 70e04c9709409a1d602fa9f156092c9122b8e68a..d4a1e2110e065860c31f55099a08a9fcc02940d5 100644 (file)
--- a/wcfsetup/install/files/lib/system/cronjob/DailyMailNotificationCronjob.class.php
+++ b/wcfsetup/install/files/lib/system/cronjob/DailyMailNotificationCronjob.class.php
@@ -16,6 +16,7 @@ use wcf\system\email\UserMailbox;
 use wcf\system\user\notification\event\IUserNotificationEvent;
 use wcf\system\user\notification\UserNotificationHandler;
 use wcf\system\WCF;
+use wcf\util\CryptoUtil;
 
 /**
  * Sends daily mail notifications.