Fix build for 7.3

Jean85 · Jean85 · commit fae20830452a · 2018-10-31T14:39:33.000+01:00
diff --git a/.travis.yml b/.travis.yml
@@ -40,6 +40,7 @@ matrix:
 
     allow_failures:
         - php: 7.3
+          sudo: required
         - env: STABILITY="dev"
 
 before_install:
