Update unix dependency.
Update unix dependency.

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