[brasero] Don't show expanders for loading nodes in data project

[Philippe Rouquier <philippr src gnome org>]

commit b384863aed5d750107559ba86be3ff1fc53969e6
Author: Philippe Rouquier <bonfire-app wanadoo fr>
Date:   Mon Jun 22 18:13:08 2009 +0200

    Don't show expanders for loading nodes in data project

 libbrasero-burn/brasero-track-data-cfg.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/libbrasero-burn/brasero-track-data-cfg.c b/libbrasero-burn/brasero-track-data-cfg.c
index f9ca482..c9d5b12 100644
--- a/libbrasero-burn/brasero-track-data-cfg.c
+++ b/libbrasero-burn/brasero-track-data-cfg.c
@@ -357,6 +357,9 @@ brasero_track_data_cfg_iter_has_child (GtkTreeModel *model,
 	if (node->is_inserting)
 		return FALSE;
 
+	if (node->is_loading)
+		return FALSE;
+
 	if (node->is_file)
 		return FALSE;