Fix warnings
Fix warnings

gcampax/ghc,vTurbine/ghc,snoyberg/ghc,snoyberg/ghc,christiaanb/ghc,forked-upstream-packages-for-ghcjs/ghc,holzensp/ghc,acowley/ghc,shlevy/ghc,acowley/ghc,gcampax/ghc,vikraman/ghc,olsner/ghc,forked-upstream-packages-for-ghcjs/ghc,da-x/ghc,green-haskell/ghc,oldmanmike/ghc,AlexanderPankiv/ghc,mfine/ghc,da-x/ghc,wxwxwwxxx/ghc,vTurbine/ghc,frantisekfarka/ghc-dsi,ryantm/ghc,holzensp/ghc,sgillespie/ghc,ml9951/ghc,ryantm/ghc,ml9951/ghc,nomeata/ghc,ml9951/ghc,acowley/ghc,anton-dessiatov/ghc,hferreiro/replay,fmthoma/ghc,christiaanb/ghc,AlexanderPankiv/ghc,tjakway/ghcjvm,nathyong/microghc-ghc,jstolarek/ghc,ekmett/ghc,jstolarek/ghc,sdiehl/ghc,gridaphobe/ghc,oldmanmike/ghc,urbanslug/ghc,ekmett/ghc,da-x/ghc,fmthoma/ghc,nomeata/ghc,siddhanathan/ghc,ezyang/ghc,nathyong/microghc-ghc,ezyang/ghc,anton-dessiatov/ghc,TomMD/ghc,vikraman/ghc,nkaretnikov/ghc,shlevy/ghc,hferreiro/replay,ekmett/ghc,ghc-android/ghc,GaloisInc/halvm-ghc,anton-dessiatov/ghc,hferreiro/replay,siddhanathan/ghc,nkaretnikov/ghc,lukexi/ghc-7.8-arm64,ezyang/ghc,lukexi/ghc,spacekitteh/smcghc,anton-dessiatov/ghc,sdiehl/ghc,mcschroeder/ghc,ezyang/ghc,frantisekfarka/ghc-dsi,siddhanathan/ghc,forked-upstream-packages-for-ghcjs/ghc,elieux/ghc,bitemyapp/ghc,snoyberg/ghc,vikraman/ghc,fmthoma/ghc,mettekou/ghc,acowley/ghc,nushio3/ghc,gridaphobe/ghc,olsner/ghc,shlevy/ghc,ekmett/ghc,oldmanmike/ghc,spacekitteh/smcghc,TomMD/ghc,GaloisInc/halvm-ghc,TomMD/ghc,lukexi/ghc-7.8-arm64,wxwxwwxxx/ghc,urbanslug/ghc,oldmanmike/ghc,green-haskell/ghc,lukexi/ghc,sdiehl/ghc,ghc-android/ghc,snoyberg/ghc,urbanslug/ghc,mfine/ghc,nushio3/ghc,mettekou/ghc,oldmanmike/ghc,mcmaniac/ghc,fmthoma/ghc,elieux/ghc,acowley/ghc,elieux/ghc,TomMD/ghc,nathyong/microghc-ghc,hferreiro/replay,bitemyapp/ghc,nkaretnikov/ghc,ghc-android/ghc,mettekou/ghc,siddhanathan/ghc,mfine/ghc,AlexanderPankiv/ghc,ryantm/ghc,fmthoma/ghc,anton-dessiatov/ghc,snoyberg/ghc,mfine/ghc,AlexanderPankiv/ghc,nushio3/ghc,ezyang/ghc,mettekou/ghc,green-haskell/ghc,nathyong/microghc-ghc,urbanslug/ghc,ezyang/ghc,jstolarek/ghc,olsner/ghc,mfine/ghc,vikraman/ghc,nomeata/ghc,snoyberg/ghc,mcschroeder/ghc,tjakway/ghcjvm,elieux/ghc,christiaanb/ghc,nushio3/ghc,sgillespie/ghc,spacekitteh/smcghc,spacekitteh/smcghc,acowley/ghc,AlexanderPankiv/ghc,sdiehl/ghc,vikraman/ghc,TomMD/ghc,mcschroeder/ghc,nkaretnikov/ghc,olsner/ghc,TomMD/ghc,ghc-android/ghc,hferreiro/replay,forked-upstream-packages-for-ghcjs/ghc,sgillespie/ghc,acowley/ghc,ml9951/ghc,lukexi/ghc-7.8-arm64,TomMD/ghc,mfine/ghc,bitemyapp/ghc,frantisekfarka/ghc-dsi,olsner/ghc,shlevy/ghc,tjakway/ghcjvm,tjakway/ghcjvm,tibbe/ghc,ryantm/ghc,lukexi/ghc,mettekou/ghc,sgillespie/ghc,wxwxwwxxx/ghc,GaloisInc/halvm-ghc,vTurbine/ghc,ml9951/ghc,siddhanathan/ghc,holzensp/ghc,sdiehl/ghc,nathyong/microghc-ghc,tjakway/ghcjvm,siddhanathan/ghc,forked-upstream-packages-for-ghcjs/ghc,mettekou/ghc,sgillespie/ghc,shlevy/ghc,sdiehl/ghc,elieux/ghc,GaloisInc/halvm-ghc,siddhanathan/ghc,elieux/ghc,forked-upstream-packages-for-ghcjs/ghc,gridaphobe/ghc,lukexi/ghc,nkaretnikov/ghc,shlevy/ghc,AlexanderPankiv/ghc,hferreiro/replay,bitemyapp/ghc,gridaphobe/ghc,wxwxwwxxx/ghc,gcampax/ghc,da-x/ghc,vTurbine/ghc,olsner/ghc,ryantm/ghc,nathyong/microghc-ghc,GaloisInc/halvm-ghc,mcmaniac/ghc,tjakway/ghcjvm,frantisekfarka/ghc-dsi,spacekitteh/smcghc,nomeata/ghc,vikraman/ghc,jstolarek/ghc,GaloisInc/halvm-ghc,christiaanb/ghc,oldmanmike/ghc,ezyang/ghc,nushio3/ghc,jstolarek/ghc,gcampax/ghc,nomeata/ghc,mcschroeder/ghc,tibbe/ghc,vTurbine/ghc,oldmanmike/ghc,wxwxwwxxx/ghc,christiaanb/ghc,mcschroeder/ghc,ekmett/ghc,lukexi/ghc-7.8-arm64,wxwxwwxxx/ghc,da-x/ghc,sgillespie/ghc,gcampax/ghc,nathyong/microghc-ghc,christiaanb/ghc,hferreiro/replay,ghc-android/ghc,ml9951/ghc,mfine/ghc,tjakway/ghcjvm,forked-upstream-packages-for-ghcjs/ghc,holzensp/ghc,fmthoma/ghc,wxwxwwxxx/ghc,ghc-android/ghc,bitemyapp/ghc,nushio3/ghc,elieux/ghc,GaloisInc/halvm-ghc,nushio3/ghc,vTurbine/ghc,vTurbine/ghc,fmthoma/ghc,lukexi/ghc,AlexanderPankiv/ghc,nkaretnikov/ghc,tibbe/ghc,mcmaniac/ghc,green-haskell/ghc,gcampax/ghc,mettekou/ghc,mcschroeder/ghc,gridaphobe/ghc,sgillespie/ghc,urbanslug/ghc,vikraman/ghc,snoyberg/ghc,mcschroeder/ghc,mcmaniac/ghc,christiaanb/ghc,shlevy/ghc,sdiehl/ghc,olsner/ghc,ml9951/ghc,mcmaniac/ghc,gridaphobe/ghc,tibbe/ghc,urbanslug/ghc,anton-dessiatov/ghc,frantisekfarka/ghc-dsi,da-x/ghc,holzensp/ghc,anton-dessiatov/ghc,nkaretnikov/ghc,gridaphobe/ghc,ghc-android/ghc,green-haskell/ghc,ml9951/ghc,da-x/ghc,gcampax/ghc,urbanslug/ghc,lukexi/ghc-7.8-arm64,tibbe/ghc