We need sudo; force it on

niffiwan · niffiwan · commit 7fdfdc613436 · 2015-08-23T13:53:13.000+10:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,4 +1,5 @@
 language: cpp
+sudo: true
 matrix:
     include:
         - os: linux
