'grab_mpc.c' failed to compile on Windows, which lacks unistd.h. Al… #36

	name: Build

	on: [push, pull_request]

	jobs:
	buildUbuntu:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@master
	- name: make
	run: \|
	git clone https://github.com/Bill-Gray/lunar
	cd lunar
	make ERRORS=Y liblunar.a
	make install
	cd ..
	make
	make cgiradar jpl2ast jpl2sof radar getradar

	buildOSX:
	runs-on: macOS-latest

	steps:
	- uses: actions/checkout@master
	- name: make
	run: \|
	git clone https://github.com/Bill-Gray/lunar
	cd lunar
	make CLANG=Y ERRORS=Y liblunar.a
	make install
	cd ..
	echo > clock1
	make CLANG=Y
	make CLANG=Y cgiradar jpl2ast jpl2sof radar getradar

Provide feedback