Fixes travis YAML syntax error

Yann Eugoné · web-flow · commit f1fedfae2c9d · 2016-06-11T11:03:35.000+02:00
diff --git a/.travis.yml b/.travis.yml
@@ -19,8 +19,8 @@ matrix:
       env: SYMFONY_VERSION="3.1.*"
     - php: 5.6
       env: SYMFONY_VERSION="3.2.*@dev"
-    allow_failures:
-        - env: SYMFONY_VERSION=3.2.*@dev
+  allow_failures:
+    - env: SYMFONY_VERSION=3.2.*@dev
 
 sudo: false
 
