Fix register --gen-script It's still useless on Windows.
Fix register --gen-script
It's still useless on Windows.

x-y-z/cabal,valderman/cabal,valderman/cabal,corngood/cabal,ian-ross/cabal,edsko/cabal,gridaphobe/cabal,garetxe/cabal,Helkafen/cabal,alphaHeavy/cabal,anton-dessiatov/cabal,thoughtpolice/cabal,headprogrammingczar/cabal,mightybyte/cabal,enolan/cabal,christiaanb/cabal,themoritz/cabal,kosmikus/cabal,sopvop/cabal,edsko/cabal,thomie/cabal,triplepointfive/cabal,ghc-android/cabal,fpco/cabal,thoughtpolice/cabal,fpco/cabal,garetxe/cabal,kosmikus/cabal,martinvlk/cabal,anton-dessiatov/cabal,typelead/epm,trskop/cabal,Heather/cabal,gbaz/cabal,beni55/cabal,Peaker/cabal,mydaum/cabal,bennofs/cabal,x-y-z/cabal,gbaz/cabal,plumlife/cabal,plow-technologies/cabal,themoritz/cabal,typelead/epm,Helkafen/cabal,alphaHeavy/cabal,seereason/cabal,randen/cabal,mmakowski/cabal,lukexi/cabal,kolmodin/cabal,rimmington/cabal,thomie/cabal,headprogrammingczar/cabal,seereason/cabal,eric-stanley/cabal,martinvlk/cabal,mydaum/cabal,trskop/cabal,Peaker/cabal,mightybyte/cabal,enolan/cabal,randen/cabal,plumlife/cabal,triplepointfive/cabal,fugyk/cabal,beni55/cabal,fugyk/cabal,bennofs/cabal,ghc-android/cabal,corngood/cabal,gridaphobe/cabal,lukexi/cabal,themoritz/cabal,plow-technologies/cabal,christiaanb/cabal,sopvop/cabal,kolmodin/cabal,ian-ross/cabal,Heather/cabal,eric-stanley/cabal,mmakowski/cabal,rimmington/cabal,sopvop/cabal