build: Fix travis setup.

Author: freezy

.travis.yml

@@ -3,8 +3,6 @@ language: node_js
 sudo: false
 node_js:
   - 8
-env:
-  - CXX=g++-4.8
 services:
   - redis-server
 addons:
@@ -34,6 +32,7 @@ before_script:
 script:
   - deploy/ci/travis.sh
 env:
+  - CXX=g++-4.8
   global:
     - secure: he13bEicdzpoLGeoj+xaU2kIkKsw1/m+Ejcm5YanhGicECrCWVvFOu0O7vGHPDDj3s/xnTgBhhUPzIS3SdcIVqfTS+nP+CJNtzOm4zOdPvmfbfCvuIukLmCLtADrrz2HUxO1en1vfpH1trkUP5gwdo4vAGli7hOD4MsncRYaYio=
     - BUILDER="Travis CI"