[evolution] Bug #677597 - Crash on vFolder source folder removal

[Milan Crha <mcrha src gnome org>]

commit 7420d677c84044693d57e210c55fb59ad4990cf2
Author: Milan Crha <mcrha redhat com>
Date:   Wed Jun 13 11:53:00 2012 +0200

    Bug #677597 - Crash on vFolder source folder removal

 mail/em-vfolder-editor-rule.c |    7 ++++---
 1 files changed, 4 insertions(+), 3 deletions(-)
---
diff --git a/mail/em-vfolder-editor-rule.c b/mail/em-vfolder-editor-rule.c
index 380031d..a108e2b 100644
--- a/mail/em-vfolder-editor-rule.c
+++ b/mail/em-vfolder-editor-rule.c
@@ -247,11 +247,12 @@ select_source (GtkWidget *list,
 	GtkTreeIter iter;
 
 	gtk_tree_view_get_cursor (data->list, &path, &column);
-	gtk_tree_model_get_iter (GTK_TREE_MODEL (data->model), &iter, path);
+	if (path && gtk_tree_model_get_iter (GTK_TREE_MODEL (data->model), &iter, path))
+		gtk_tree_model_get (GTK_TREE_MODEL (data->model), &iter, 0, &data->current, -1);
+	else
+		data->current = NULL;
 	gtk_tree_path_free (path);
 
-	gtk_tree_model_get (GTK_TREE_MODEL (data->model), &iter, 0, &data->current, -1);
-
 	set_sensitive (data);
 }