Force brew update, it says it is outdated.

2019-09-03 14:11:16 +02:00 · 2019-09-03 14:11:16 +02:00 · debe179515
commit debe179515
parent 3821823ebd
1 changed files with 2 additions and 2 deletions
--- a/.travis.yml
+++ b/.travis.yml
@ -74,8 +74,8 @@ matrix:
      env: COMPILER=g++-7 CCOMPILER=gcc-7
      addons:
        homebrew:
-          packages:
-          - gcc@7
+          packages: gcc@7
+          update: true
      compiler: gcc-7

    - os: linux