Fix warnings on Windows
Fix warnings on Windows

mettekou/ghc,vTurbine/ghc,da-x/ghc,tjakway/ghcjvm,jstolarek/ghc,snoyberg/ghc,shlevy/ghc,holzensp/ghc,nkaretnikov/ghc,TomMD/ghc,mettekou/ghc,gcampax/ghc,acowley/ghc,oldmanmike/ghc,gridaphobe/ghc,acowley/ghc,spacekitteh/smcghc,sgillespie/ghc,gcampax/ghc,green-haskell/ghc,oldmanmike/ghc,siddhanathan/ghc,vikraman/ghc,siddhanathan/ghc,sgillespie/ghc,wxwxwwxxx/ghc,bitemyapp/ghc,lukexi/ghc,siddhanathan/ghc,anton-dessiatov/ghc,vikraman/ghc,wxwxwwxxx/ghc,TomMD/ghc,vTurbine/ghc,sgillespie/ghc,snoyberg/ghc,ezyang/ghc,GaloisInc/halvm-ghc,nathyong/microghc-ghc,gcampax/ghc,fmthoma/ghc,holzensp/ghc,tjakway/ghcjvm,oldmanmike/ghc,nkaretnikov/ghc,green-haskell/ghc,nushio3/ghc,vikraman/ghc,AlexanderPankiv/ghc,tibbe/ghc,bitemyapp/ghc,vikraman/ghc,mcschroeder/ghc,sgillespie/ghc,tjakway/ghcjvm,elieux/ghc,da-x/ghc,tjakway/ghcjvm,ghc-android/ghc,christiaanb/ghc,urbanslug/ghc,nathyong/microghc-ghc,snoyberg/ghc,nushio3/ghc,sdiehl/ghc,oldmanmike/ghc,oldmanmike/ghc,siddhanathan/ghc,mfine/ghc,ghc-android/ghc,lukexi/ghc,fmthoma/ghc,AlexanderPankiv/ghc,GaloisInc/halvm-ghc,tibbe/ghc,GaloisInc/halvm-ghc,nathyong/microghc-ghc,bitemyapp/ghc,gridaphobe/ghc,fmthoma/ghc,sdiehl/ghc,mettekou/ghc,green-haskell/ghc,siddhanathan/ghc,vikraman/ghc,mfine/ghc,green-haskell/ghc,gcampax/ghc,spacekitteh/smcghc,anton-dessiatov/ghc,nathyong/microghc-ghc,elieux/ghc,ml9951/ghc,ml9951/ghc,acowley/ghc,forked-upstream-packages-for-ghcjs/ghc,mcschroeder/ghc,siddhanathan/ghc,fmthoma/ghc,anton-dessiatov/ghc,spacekitteh/smcghc,shlevy/ghc,ghc-android/ghc,sgillespie/ghc,nkaretnikov/ghc,mettekou/ghc,gridaphobe/ghc,elieux/ghc,GaloisInc/halvm-ghc,frantisekfarka/ghc-dsi,da-x/ghc,urbanslug/ghc,AlexanderPankiv/ghc,vTurbine/ghc,anton-dessiatov/ghc,TomMD/ghc,sdiehl/ghc,spacekitteh/smcghc,mcschroeder/ghc,ezyang/ghc,elieux/ghc,ryantm/ghc,gridaphobe/ghc,forked-upstream-packages-for-ghcjs/ghc,snoyberg/ghc,tjakway/ghcjvm,gcampax/ghc,acowley/ghc,acowley/ghc,nathyong/microghc-ghc,tibbe/ghc,TomMD/ghc,TomMD/ghc,nushio3/ghc,wxwxwwxxx/ghc,da-x/ghc,mettekou/ghc,nkaretnikov/ghc,mcschroeder/ghc,TomMD/ghc,vikraman/ghc,christiaanb/ghc,spacekitteh/smcghc,oldmanmike/ghc,snoyberg/ghc,GaloisInc/halvm-ghc,wxwxwwxxx/ghc,christiaanb/ghc,vikraman/ghc,olsner/ghc,AlexanderPankiv/ghc,jstolarek/ghc,fmthoma/ghc,frantisekfarka/ghc-dsi,ghc-android/ghc,mfine/ghc,nathyong/microghc-ghc,urbanslug/ghc,frantisekfarka/ghc-dsi,da-x/ghc,lukexi/ghc,ml9951/ghc,fmthoma/ghc,ryantm/ghc,ezyang/ghc,vTurbine/ghc,shlevy/ghc,gcampax/ghc,lukexi/ghc,ryantm/ghc,nushio3/ghc,olsner/ghc,ghc-android/ghc,GaloisInc/halvm-ghc,siddhanathan/ghc,sdiehl/ghc,forked-upstream-packages-for-ghcjs/ghc,holzensp/ghc,snoyberg/ghc,acowley/ghc,wxwxwwxxx/ghc,TomMD/ghc,sdiehl/ghc,mcschroeder/ghc,ezyang/ghc,nkaretnikov/ghc,anton-dessiatov/ghc,fmthoma/ghc,mettekou/ghc,green-haskell/ghc,oldmanmike/ghc,snoyberg/ghc,mfine/ghc,shlevy/ghc,ghc-android/ghc,acowley/ghc,jstolarek/ghc,urbanslug/ghc,gridaphobe/ghc,sdiehl/ghc,ezyang/ghc,nathyong/microghc-ghc,tibbe/ghc,christiaanb/ghc,ml9951/ghc,shlevy/ghc,sgillespie/ghc,sdiehl/ghc,nkaretnikov/ghc,olsner/ghc,da-x/ghc,frantisekfarka/ghc-dsi,mfine/ghc,tjakway/ghcjvm,vTurbine/ghc,elieux/ghc,ezyang/ghc,nkaretnikov/ghc,shlevy/ghc,urbanslug/ghc,forked-upstream-packages-for-ghcjs/ghc,forked-upstream-packages-for-ghcjs/ghc,frantisekfarka/ghc-dsi,GaloisInc/halvm-ghc,ml9951/ghc,jstolarek/ghc,gridaphobe/ghc,christiaanb/ghc,AlexanderPankiv/ghc,sgillespie/ghc,christiaanb/ghc,christiaanb/ghc,elieux/ghc,da-x/ghc,ml9951/ghc,tibbe/ghc,mcschroeder/ghc,vTurbine/ghc,holzensp/ghc,vTurbine/ghc,anton-dessiatov/ghc,urbanslug/ghc,lukexi/ghc,wxwxwwxxx/ghc,bitemyapp/ghc,nushio3/ghc,wxwxwwxxx/ghc,mfine/ghc,ghc-android/ghc,tjakway/ghcjvm,anton-dessiatov/ghc,ezyang/ghc,ml9951/ghc,olsner/ghc,elieux/ghc,shlevy/ghc,mettekou/ghc,urbanslug/ghc,bitemyapp/ghc,jstolarek/ghc,mfine/ghc,nushio3/ghc,gcampax/ghc,ryantm/ghc,AlexanderPankiv/ghc,olsner/ghc,AlexanderPankiv/ghc,olsner/ghc,forked-upstream-packages-for-ghcjs/ghc,gridaphobe/ghc,ryantm/ghc,mcschroeder/ghc,holzensp/ghc,ml9951/ghc,nushio3/ghc,forked-upstream-packages-for-ghcjs/ghc,olsner/ghc