[gnome-builder/gnome-builder-3-18] tree: clear selection before rebuilding the tree

[Christian Hergert <chergert src gnome org>]

commit b2fc66409605741a3f71edacdfc45e0a04e4b6b9
Author: Christian Hergert <christian hergert me>
Date:   Tue Sep 29 12:51:10 2015 -0700

    tree: clear selection before rebuilding the tree

 src/tree/gb-tree.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/src/tree/gb-tree.c b/src/tree/gb-tree.c
index 05c6cdb..b5ed477 100644
--- a/src/tree/gb-tree.c
+++ b/src/tree/gb-tree.c
@@ -1309,6 +1309,10 @@ gb_tree_set_root (GbTree     *self,
 
   if (priv->root != root)
     {
+      GtkTreeSelection *selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (self));
+
+      gtk_tree_selection_unselect_all (selection);
+
       if (priv->root != NULL)
         {
           _gb_tree_node_set_parent (priv->root, NULL);