message: Fix appveyor failure for 11.0 - Using fixed image tag for cross tools.
diff: @@ -69,7 +69,7 @@ for:
  cd %ISPC_HOME%
  if "%WASM%" == "ON" ( call scripts\install_emscripten.bat )
  if "%WASM%" == "ON" ( emcc --version )
  - set DOCKER_NAME=%DOCKER_PATH%:win_llvm%LLVM_SHORT_VER%
  + set DOCKER_NAME=%DOCKER_PATH%:win_llvm100
  %NONEEDDOCKER% docker pull %DOCKER_NAME%
  %NONEEDDOCKER% docker run -d %DOCKER_NAME% > container_id.txt
  %NONEEDDOCKER% set /p CONTAINER=<container_id.txt
  