Update .gitignore for the extra-gcc-opts -> settings change
Update .gitignore for the extra-gcc-opts -> settings change

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