Fix build on OS X
Fix build on OS X

sed on OS X doesn't handle \+

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