[gnome-continuous] builddisks: Fix more

[Jasper St. Pierre <jstpierre src gnome org>]

commit e9e29c55a884a2798e9fa8eeacd07c3940ce3c9a
Author: Jasper St. Pierre <jstpierre mecheye net>
Date:   Thu Oct 10 15:19:42 2013 -0400

    builddisks: Fix more

 src/js/tasks/task-builddisks.js |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)
---
diff --git a/src/js/tasks/task-builddisks.js b/src/js/tasks/task-builddisks.js
index d105eca..3cee479 100644
--- a/src/js/tasks/task-builddisks.js
+++ b/src/js/tasks/task-builddisks.js
@@ -66,13 +66,14 @@ const TaskBuildDisks = new Lang.Class({
             return;
         }
 
-        let buildData = JsonUtil.loadJson(this.builddir.get_child('build.json'), cancellable);
+        let buildDataPath = this.builddir.get_child('build.json');
+        let buildData = JsonUtil.loadJson(buildDataPath, cancellable);
 
         let workImageDir = Gio.File.new_for_path('images');
         GSystem.file_ensure_directory(workImageDir, true, cancellable);
 
         let destPath = workImageDir.get_child('build-' + this._buildName + '.json');
-        GSystem.file_linkcopy(latestPath, destPath, Gio.FileCopyFlags.ALL_METADATA, cancellable);
+        GSystem.file_linkcopy(buildDataPath, destPath, Gio.FileCopyFlags.ALL_METADATA, cancellable);
 
         let targets = buildData['targets'];