windows: Make windows/main.c independent from unix/main.c
windows: Make windows/main.c independent from unix/main.c

Up to know changes unix/main.c were able to break the windows
build because windows/main.c simply included unix/main.c.

Now windows/main.c stands on it's own and won't break if
unix/main.c changes.

vriera/micropython,ruffy91/micropython,puuu/micropython,redbear/micropython,bvernoux/micropython,warner83/micropython,micropython/micropython-esp32,henriknelson/micropython,HenrikSolver/micropython,SHA2017-badge/micropython-esp32,puuu/micropython,dinau/micropython,selste/micropython,utopiaprince/micropython,SungEun-Steve-Kim/test-mp,Timmenem/micropython,drrk/micropython,mpalomer/micropython,Peetz0r/micropython-esp32,praemdonck/micropython,tdautc19841202/micropython,mianos/micropython,slzatz/micropython,Peetz0r/micropython-esp32,SHA2017-badge/micropython-esp32,turbinenreiter/micropython,aethaniel/micropython,aethaniel/micropython,hiway/micropython,tuc-osg/micropython,mhoffma/micropython,kostyll/micropython,tobbad/micropython,TDAbboud/micropython,orionrobots/micropython,methoxid/micropystat,matthewelse/micropython,ruffy91/micropython,supergis/micropython,galenhz/micropython,noahwilliamsson/micropython,pfalcon/micropython,kostyll/micropython,KISSMonX/micropython,stonegithubs/micropython,stonegithubs/micropython,ganshun666/micropython,EcmaXp/micropython,toolmacher/micropython,dinau/micropython,cwyark/micropython,paul-xxx/micropython,ganshun666/micropython,noahchense/micropython,torwag/micropython,martinribelotta/micropython,paul-xxx/micropython,deshipu/micropython,vitiral/micropython,xuxiaoxin/micropython,ceramos/micropython,omtinez/micropython,swegener/micropython,firstval/micropython,oopy/micropython,puuu/micropython,ahotam/micropython,dxxb/micropython,alex-march/micropython,dxxb/micropython,ganshun666/micropython,mhoffma/micropython,alex-robbins/micropython,martinribelotta/micropython,Vogtinator/micropython,cwyark/micropython,selste/micropython,rubencabrera/micropython,cloudformdesign/micropython,SungEun-Steve-Kim/test-mp,MrSurly/micropython-esp32,EcmaXp/micropython,aitjcize/micropython,danicampora/micropython,micropython/micropython-esp32,MrSurly/micropython-esp32,ganshun666/micropython,misterdanb/micropython,mgyenik/micropython,PappaPeppar/micropython,tralamazza/micropython,orionrobots/micropython,lowRISC/micropython,redbear/micropython,xuxiaoxin/micropython,emfcamp/micropython,hosaka/micropython,infinnovation/micropython,mhoffma/micropython,feilongfl/micropython,TDAbboud/micropython,paul-xxx/micropython,tobbad/micropython,jimkmc/micropython,vitiral/micropython,suda/micropython,drrk/micropython,galenhz/micropython,blmorris/micropython,praemdonck/micropython,blazewicz/micropython,deshipu/micropython,suda/micropython,mianos/micropython,vitiral/micropython,praemdonck/micropython,adafruit/micropython,drrk/micropython,tobbad/micropython,blmorris/micropython,slzatz/micropython,orionrobots/micropython,rubencabrera/micropython,matthewelse/micropython,torwag/micropython,jimkmc/micropython,bvernoux/micropython,dmazzella/micropython,infinnovation/micropython,torwag/micropython,jlillest/micropython,deshipu/micropython,galenhz/micropython,praemdonck/micropython,lbattraw/micropython,Vogtinator/micropython,methoxid/micropystat,mgyenik/micropython,xyb/micropython,lbattraw/micropython,danicampora/micropython,adamkh/micropython,MrSurly/micropython,adamkh/micropython,SungEun-Steve-Kim/test-mp,skybird6672/micropython,tdautc19841202/micropython,noahwilliamsson/micropython,KISSMonX/micropython,xyb/micropython,matthewelse/micropython,oopy/micropython,xhat/micropython,selste/micropython,oopy/micropython,xyb/micropython,dxxb/micropython,ruffy91/micropython,alex-march/micropython,trezor/micropython,cloudformdesign/micropython,pozetroninc/micropython,AriZuu/micropython,xhat/micropython,mgyenik/micropython,xyb/micropython,Timmenem/micropython,supergis/micropython,infinnovation/micropython,orionrobots/micropython,chrisdearman/micropython,utopiaprince/micropython,Vogtinator/micropython,vriera/micropython,methoxid/micropystat,HenrikSolver/micropython,aethaniel/micropython,stonegithubs/micropython,vriera/micropython,trezor/micropython,supergis/micropython,Timmenem/micropython,tuc-osg/micropython,emfcamp/micropython,SHA2017-badge/micropython-esp32,PappaPeppar/micropython,tobbad/micropython,feilongfl/micropython,ChuckM/micropython,noahwilliamsson/micropython,danicampora/micropython,mianos/micropython,xuxiaoxin/micropython,ChuckM/micropython,orionrobots/micropython,KISSMonX/micropython,ericsnowcurrently/micropython,ryannathans/micropython,dinau/micropython,ericsnowcurrently/micropython,mhoffma/micropython,xhat/micropython,ernesto-g/micropython,pramasoul/micropython,swegener/micropython,danicampora/micropython,Timmenem/micropython,ernesto-g/micropython,ahotam/micropython,hosaka/micropython,adafruit/micropython,jlillest/micropython,noahwilliamsson/micropython,ChuckM/micropython,rubencabrera/micropython,dmazzella/micropython,slzatz/micropython,adafruit/circuitpython,blazewicz/micropython,noahchense/micropython,emfcamp/micropython,chrisdearman/micropython,toolmacher/micropython,micropython/micropython-esp32,martinribelotta/micropython,cnoviello/micropython,redbear/micropython,blazewicz/micropython,TDAbboud/micropython,hosaka/micropython,SHA2017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praemdonck/micropython,swegener/micropython,methoxid/micropystat,mpalomer/micropython,turbinenreiter/micropython,dhylands/micropython,cwyark/micropython,matthewelse/micropython,emfcamp/micropython,mhoffma/micropython,paul-xxx/micropython,AriZuu/micropython,xhat/micropython,deshipu/micropython,jmarcelino/pycom-micropython,noahchense/micropython,firstval/micropython,ceramos/micropython,pramasoul/micropython,kostyll/micropython,chrisdearman/micropython,SungEun-Steve-Kim/test-mp,omtinez/micropython,Peetz0r/micropython-esp32,HenrikSolver/micropython,blazewicz/micropython,neilh10/micropython,slzatz/micropython,stonegithubs/micropython,Vogtinator/micropython,tdautc19841202/micropython,aethaniel/micropython,hiway/micropython,kerneltask/micropython,kostyll/micropython,adafruit/circuitpython,firstval/micropython,dhylands/micropython,adamkh/micropython,dhylands/micropython,pramasoul/micropython,aitjcize/micropython,galenhz/micropython,trezor/micropython,redbear/micropython,blmorris/micropython,jmarcelino/pycom-micropython,pfalcon/micropython,slzatz/micropython,toolmacher/micropython,emfcamp/micropython,pozetroninc/micropython,hiway/micropython,alex-robbins/micropython,infinnovation/micropython,alex-robbins/micropython,torwag/micropython