Fix Path,EMSDK and EM_CACHE not being set permanently when using --global#515

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sbc100 merged 2 commits into

emscripten-core:masterfrom

kudaba:fix_win_env_global

Oct 9, 2020

Commits on Oct 7, 2020

Fix environment variables to be consistently set when using --system or --permanent
kudaba
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Commits on Oct 9, 2020

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