[gnome-builder] project-tree: check that the node is still selected

[Christian Hergert <chergert src gnome org>]

commit f9fad9ffae257d44460b0c7b612a0f9559cbd66a
Author: Christian Hergert <christian hergert me>
Date:   Sat Oct 3 15:55:50 2015 -0700

    project-tree: check that the node is still selected

 src/project-tree/gb-project-tree-actions.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/src/project-tree/gb-project-tree-actions.c b/src/project-tree/gb-project-tree-actions.c
index 1a8ee78..5ee87d6 100644
--- a/src/project-tree/gb-project-tree-actions.c
+++ b/src/project-tree/gb-project-tree-actions.c
@@ -610,6 +610,9 @@ gb_project_tree_actions__project_rename_file_cb (GObject      *object,
   g_assert (GB_IS_TREE (tree));
 
   node = gb_tree_get_selected (tree);
+  if (node == NULL)
+    goto cleanup;
+
   parent = gb_tree_node_get_parent (node);
 
   gb_tree_node_invalidate (parent);
@@ -622,6 +625,7 @@ gb_project_tree_actions__project_rename_file_cb (GObject      *object,
   else
     gb_tree_node_select (parent);
 
+cleanup:
   gtk_widget_hide (GTK_WIDGET (popover));
   gtk_widget_destroy (GTK_WIDGET (popover));
 }