fix windwos build #461

	name: Tophat workflow
	on: [push]
	jobs:
	Auto-Package:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- name: make
	run: \|
	sudo apt-get install gcc zip make libx11-dev libgl-dev gcc-mingw-w64-x86-64
	git submodule init
	git submodule update --remote
	make
	make cross

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