message: travis: fixed CMake unpack commands
diff: @@ -3,8 +3,8 @@ VULKAN_SDK_VER="1.2.162.1"
  if [ "$TRAVIS_OS_NAME" = "osx" ]; then
  wget --no-check-certificate https://github.com/Kitware/CMake/releases/download/v${CMAKE_VERSION}/cmake-${CMAKE_VERSION}-macos-universal.tar.gz &&
  - tar -xzf cmake-${CMAKE_VERSION}-Darwin-x86_64.tar.gz
  - export PATH=$PWD/cmake-${CMAKE_VERSION}-Darwin-x86_64/CMake.app/Contents/bin:$PATH
  + tar -xzf cmake-${CMAKE_VERSION}-macos-universal.tar.gz
  + export PATH=$PWD/cmake-${CMAKE_VERSION}-macos-universal/CMake.app/Contents/bin:$PATH
  cmake --version
  # Download Vulkan SDK
  export VK_SDK_DMG=vulkansdk-macos-$VULKAN_SDK_VER.dmg
  