Fix 'getModTime' with base < 4.5.
Fix 'getModTime' with base < 4.5.

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