message: Update homebrew on older macos builds
diff: @@ -59,7 +59,7 @@ matrix:
  - compiler: "clang"
  os: osx
  osx_image: xcode10.1
  - addons: { homebrew: { packages: ["libuvc"]}}
  + addons: { homebrew: { packages: ["libuvc"], update: true }}
  - stage: Code Quality
  