Outdated use of watchdog() noticed while creating translation templates

modules/system/system.module

@@ -1224,7 +1224,7 @@ function system_cron() {
       // If files that exist cannot be deleted, continue so the database remains
       // consistent.
       if (!file_delete($file->filepath)) {
-        watchdog('file system', t('Could not delete temporary file "%path" during garbage collection', array('%path' => $file->filepath)), 'error');
+        watchdog('file system', 'Could not delete temporary file "%path" during garbage collection', array('%path' => $file->filepath), 'error');
         continue;
       }
     }