Fix ambiguity error on Windows
Fix ambiguity error on Windows

I assume that we only want to catch IOExceptions, as withThread does.

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