Update documentation for -fwarn-dodgy-imports.
Update documentation for -fwarn-dodgy-imports.

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