[gnome-builder/wip/new-workspace] tree: return after adding builder

[Christian Hergert <chergert src gnome org>]

commit c373f53ef8087e84762bc063a2c34f49622cbc2e
Author: Christian Hergert <christian hergert me>
Date:   Fri Jun 5 19:16:13 2015 -0700

    tree: return after adding builder

 src/tree/gb-tree.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/src/tree/gb-tree.c b/src/tree/gb-tree.c
index 337a9c3..024241b 100644
--- a/src/tree/gb-tree.c
+++ b/src/tree/gb-tree.c
@@ -1195,6 +1195,7 @@ gb_tree_add_child (GtkBuildable *buildable,
         }
 
       gb_tree_add_builder (self, GB_TREE_BUILDER (child));
+      return;
     }
 
   gb_tree_parent_buildable_iface->add_child (buildable, builder, child, type);