Fix warnings
Fix warnings

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