mitchellh/vagrant — pull request #4996 by sneal (2014-12-16 17:25:29+00:00)
Title: 4976 fix guest autodetection with windows guests

Fixes guest auto-detection #4976 when using a Windows guest. This ensures that any non-Windows friendly test command that any other guest may use doesn't erroneously return true causing Vagrant to detect a Windows guest as Ubuntu.