Ticket #29087: 29087.diff

src/wp-admin/includes/class-wp-upgrader.php

@@ -331 +331 @@
                         $destination_name = '';
                 }
 
-                $this->result = compact('local_source', 'source', 'source_name', 'source_files', 'destination', 'destination_name', 'local_destination', 'remote_destination', 'clear_destination', 'delete_source_dir');
+                $this->result = compact( 'source', 'source_files', 'destination', 'destination_name', 'local_destination', 'remote_destination', 'clear_destination' );
 
                 /**
                  * Filter the install response after the installation has finished.