Jenkins Windows Build's show a false positive success. 

A new build job was added today and started to fail the PR builds. 

https://logstash-ci.elastic.co/job/elastic+logstash+pull-request+multijob-windows-compatibility/

and

https://logstash-ci.elastic.co/job/elastic+logstash+master+multijob-windows-compatibility/
