message: travis: updated Vulkan SDK downloading commands
diff: @@ -7,8 +7,9 @@ if [ "$TRAVIS_OS_NAME" = "osx" ]; then
  export PATH=$PWD/cmake-${CMAKE_VERSION}-Darwin-x86_64/CMake.app/Contents/bin:$PATH
  cmake --version
  # Download Vulkan SDK
  - wget -O vulkansdk-macos-$VULKAN_SDK_VER.tar.gz https://sdk.lunarg.com/sdk/download/$VULKAN_SDK_VER/mac/vulkansdk-macos-$VULKAN_SDK_VER.tar.gz?Human=true &&
  - tar -xzf vulkansdk-macos-$VULKAN_SDK_VER.tar.gz
  + export VK_SDK_DMG=vulkansdk-macos-$VULKAN_SDK_VER.dmg
  + wget -O $VK_SDK_DMG https://sdk.lunarg.com/sdk/download/$VULKAN_SDK_VER/mac/$VK_SDK_DMG?Human=true &&
  + hdiutil attach $VK_SDK_DMG -mountpoint $PWD
  export VULKAN_SDK=$PWD/vulkansdk-macos-$VULKAN_SDK_VER
  fi
  