Fix syntax for single- and multi-line comments in wp-admin-directory files.

See #28931.


git-svn-id: https://develop.svn.wordpress.org/trunk@29206 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-admin/includes/import.php

@@ -105,7 +105,10 @@ function wp_import_handle_upload() {
 	// Save the data
 	$id = wp_insert_attachment( $object, $file );
 
-	// schedule a cleanup for one day from now in case of failed import or missing wp_import_cleanup() call
+	/*
+	 * Schedule a cleanup for one day from now in case of failed
+	 * import or missing wp_import_cleanup() call.
+	 */
 	wp_schedule_single_event( time() + DAY_IN_SECONDS, 'importer_scheduled_cleanup', array( $id ) );
 
 	return array( 'file' => $file, 'id' => $id );