Fixed error in internal cron system.

Till Brehm · Till Brehm · commit 938676a4ade8 · 2019-07-08T20:48:03.000+02:00
diff --git a/server/cron.php b/server/cron.php
@@ -69,7 +69,7 @@
 
 
 // Load required base-classes
-$app->uses('modules,ini_parser,file,services,getconf,system,cron,functions');
+$app->uses('modules,ini_parser,file,services,getconf,system,cron,functions,plugins');
 $app->load('libdatetime,cronjob');
 
 // read all cron jobs
