Kill bogus duplicate-export warnings (fix Trac #2436)
Kill bogus duplicate-export warnings (fix Trac #2436)

The general rule is now that we don't complain about
a duplicate export from a "...".  See RnNames.dupExport_ok

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