Fix build status on github README page

Author: hellium01

README.md

@@ -1,6 +1,6 @@
 # Drift
 [![Maven Central](https://img.shields.io/maven-central/v/com.facebook.drift/drift-root.svg?label=Maven%20Central)](https://search.maven.org/#search%7Cga%7C1%7Cg%3A%22com.facebook.drift%22)
-[![Build Status](https://travis-ci.org/prestodb/drift.svg?branch=master)](https://travis-ci.org/prestodb/drift)
+[![Build Status](https://travis-ci.com/prestodb/drift.svg?branch=master)](https://travis-ci.com/prestodb/drift)
 
 Drift is an easy-to-use, annotation-based Java library for creating Thrift
 clients and serializable types.  The client library is similar to JAX-RS