fix travis?

Author: Minishlink

.travis.yml

@@ -17,6 +17,6 @@ matrix:
 
 before_script:
   - composer install --prefer-source -n --no-dev
-  - '[[ ${PAYLOAD} == "true" ]] && composer require spomky-labs/jose:2.0.x-dev'
+  - 'if [[ ${PAYLOAD} == "true" ]]; then composer require spomky-labs/jose:2.0.x-dev; fi'
 
 script: phpunit -c phpunit.travis.xml