message: Enable gltfpack on the Windows CI build via the new option.
diff: @@ -39,7 +39,7 @@ jobs:
  steps:
  - uses: actions/checkout@v1
  - name: cmake configure
  - run: cmake . -DMESHOPT_BUILD_DEMO=ON -DMESHOPT_BUILD_TOOLS=ON -DCMAKE_MSVC_RUNTIME_LIBRARY="MultiThreaded$<$<CONFIG:Debug>:Debug>" -A ${{matrix.arch}}
  + run: cmake . -DMESHOPT_BUILD_DEMO=ON -DMESHOPT_BUILD_GLTFPACK=ON -DCMAKE_MSVC_RUNTIME_LIBRARY="MultiThreaded$<$<CONFIG:Debug>:Debug>" -A ${{matrix.arch}}
  - name: cmake test
  shell: bash # necessary for fail-fast
  run: |
  