updated core to 7.58, security update

modules/update/update.fetch.inc

@@ -29,7 +29,9 @@ function update_manual_status() {
 }
 
 /**
- * Batch callback: Processes a step in batch for fetching available update data.
+ * Implements callback_batch_operation().
+ *
+ * Processes a step in batch for fetching available update data.
  *
  * @param $context
  *   Reference to an array used for Batch API storage.
@@ -77,7 +79,9 @@ function update_fetch_data_batch(&$context) {
 }
 
 /**
- * Batch callback: Performs actions when all fetch tasks have been completed.
+ * Implements callback_batch_finished().
+ *
+ * Performs actions when all fetch tasks have been completed.
  *
  * @param $success
  *   TRUE if the batch operation was successful; FALSE if there were errors.