fixup! fix: get actual number of active users

Signed-off-by: Daniel Kesselberg <mail@danielkesselberg.de>

Author: kesselb

lib/SessionStatistics.php

@@ -66,7 +66,7 @@ private function getNumberOfActiveUsers(int $offset): int {
 			->andWhere($queryBuilder->expr()->eq('configkey', $queryBuilder->createNamedParameter('lastLogin')))
 			->andwhere($queryBuilder->expr()->gte(
 				$queryBuilder->expr()->castColumn('configvalue', IQueryBuilder::PARAM_INT),
-				$queryBuilder->createNamedParameter((string)($this->timeFactory->getTime() - $offset), IQueryBuilder::PARAM_INT),
+				$queryBuilder->createNamedParameter($this->timeFactory->getTime() - $offset, IQueryBuilder::PARAM_INT),
 				IQueryBuilder::PARAM_INT,
 			));