From 7c0bdaaa73226ae074a2c392242ab40bf5723243 Mon Sep 17 00:00:00 2001
From: Tom Finegan <tomfinegan@google.com>
Date: Wed, 6 Sep 2017 11:36:17 -0700
Subject: [PATCH] Set os to linux.

---
 .travis.yml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/.travis.yml b/.travis.yml
index 5bd5930..897e7f1 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,3 +1,4 @@
+os: linux
 dist: trusty
 sudo: require
 language: cpp