[gnome-builder] project-tree: initialize is_dir before use

[Christian Hergert <chergert src gnome org>]

commit 5d7c1b6aee6fc80b174864d1c7f0e94b004e3048
Author: Christian Hergert <chergert redhat com>
Date:   Sun Dec 17 00:36:57 2017 -0800

    project-tree: initialize is_dir before use

 src/plugins/project-tree/gb-project-tree-builder.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/src/plugins/project-tree/gb-project-tree-builder.c 
b/src/plugins/project-tree/gb-project-tree-builder.c
index 8d651ca..6cc7533 100644
--- a/src/plugins/project-tree/gb-project-tree-builder.c
+++ b/src/plugins/project-tree/gb-project-tree-builder.c
@@ -101,11 +101,11 @@ gb_project_tree_builder_add (GbProjectTreeBuilder *self,
   display_name = gb_project_file_get_display_name (item);
   icon_name = gb_project_file_get_icon_name (item);
 
+  is_dir = g_file_info_get_file_type (file_info) == G_FILE_TYPE_DIRECTORY;
+
   if (is_dir)
     expanded = "folder-open-symbolic";
 
-  is_dir = g_file_info_get_file_type (file_info) == G_FILE_TYPE_DIRECTORY;
-
   child = g_object_new (DZL_TYPE_TREE_NODE,
                         "children-possible", is_dir,
                         "reset-on-collapse", is_dir,