Moved env variable to correct place

Author: wouterj

.travis.yml

@@ -15,14 +15,13 @@ cache:
 
 env:
   - SYMFONY_VERSION=2.6.*
-  - SYMFONY_DEPRECATIONS_HELPER=weak
 
 matrix:
   include:
     - php: 5.6
       env: SYMFONY_VERSION=2.3.*
     - php: 5.6
-      env: SYMFONY_VERSION=2.7.*
+      env: SYMFONY_VERSION=2.7.* SYMFONY_DEPRECATIONS_HELPER=weak
     - php: 5.6
       env: SYMFONY_VERSION=2.8.*
     - php: 5.6