Fix remote PATH in Gemfile.lock

PATH is switching and should not.

```
-- 1/539 => git diff Gemfile.lock
diff --git a/demo/Gemfile.lock b/demo/Gemfile.lock
index 034279c..87891e4 100644
--- a/demo/Gemfile.lock
+++ b/demo/Gemfile.lock
@@ -1,5 +1,5 @@
 PATH
-  remote: /Users/davidnghiem/work/gandalf
+  remote: /Users/wnghiem/work/gandalf
   specs:
     alox-gandalf (0.0.8)
```
