Update Build Badge

Author: jason-fox

README.md

@@ -2,7 +2,7 @@
 
 [![license](https://img.shields.io/github/license/jason-fox/fox.jason.passthrough.doxygen.svg)](http://www.apache.org/licenses/LICENSE-2.0)
 [![DITA-OT 3.5](https://img.shields.io/badge/DITA--OT-3.5-blue.svg)](http://www.dita-ot.org/3.5)
-[![Build Status](https://travis-ci.org/jason-fox/fox.jason.passthrough.doxygen.svg?branch=master)](https://travis-ci.org/jason-fox/fox.jason.passthrough.doxygen)
+[![Build Status](https://api.travis-ci.com/jason-fox/fox.jason.passthrough.doxygen.svg?branch=master)](https://travis-ci.com/github/jason-fox/fox.jason.passthrough.doxygen)
 [![Coverage Status](https://coveralls.io/repos/github/jason-fox/fox.jason.passthrough.doxygen/badge.svg?branch=master)](https://coveralls.io/github/jason-fox/fox.jason.passthrough.doxygen?branch=master)
 [![Documentation Status](https://readthedocs.org/projects/doxygendita-ot/badge/?version=latest)](https://doxygendita-ot.readthedocs.io/en/latest/?badge=latest)