Minor fix to free-vars in RnTypes
Minor fix to free-vars in RnTypes

A type wild-card should't appear in the "uses"
free-variable set.

AlexanderPankiv/ghc,anton-dessiatov/ghc,anton-dessiatov/ghc,da-x/ghc,nushio3/ghc,elieux/ghc,mfine/ghc,mettekou/ghc,siddhanathan/ghc,oldmanmike/ghc,TomMD/ghc,ezyang/ghc,acowley/ghc,mfine/ghc,mcschroeder/ghc,sgillespie/ghc,AlexanderPankiv/ghc,nushio3/ghc,shlevy/ghc,anton-dessiatov/ghc,vTurbine/ghc,nushio3/ghc,sdiehl/ghc,wxwxwwxxx/ghc,tjakway/ghcjvm,ml9951/ghc,mettekou/ghc,wxwxwwxxx/ghc,GaloisInc/halvm-ghc,acowley/ghc,olsner/ghc,nushio3/ghc,GaloisInc/halvm-ghc,nushio3/ghc,mfine/ghc,anton-dessiatov/ghc,elieux/ghc,oldmanmike/ghc,mettekou/ghc,tjakway/ghcjvm,ml9951/ghc,da-x/ghc,nushio3/ghc,TomMD/ghc,tjakway/ghcjvm,mcschroeder/ghc,gridaphobe/ghc,olsner/ghc,da-x/ghc,sdiehl/ghc,shlevy/ghc,gridaphobe/ghc,mettekou/ghc,vTurbine/ghc,snoyberg/ghc,sgillespie/ghc,snoyberg/ghc,nkaretnikov/ghc,ml9951/ghc,nkaretnikov/ghc,mcschroeder/ghc,gridaphobe/ghc,sgillespie/ghc,ghc-android/ghc,mettekou/ghc,tjakway/ghcjvm,vikraman/ghc,urbanslug/ghc,mcschroeder/ghc,oldmanmike/ghc,acowley/ghc,ezyang/ghc,siddhanathan/ghc,acowley/ghc,GaloisInc/halvm-ghc,siddhanathan/ghc,oldmanmike/ghc,mcschroeder/ghc,vTurbine/ghc,GaloisInc/halvm-ghc,wxwxwwxxx/ghc,shlevy/ghc,ghc-android/ghc,da-x/ghc,sgillespie/ghc,nushio3/ghc,vikraman/ghc,ml9951/ghc,da-x/ghc,gridaphobe/ghc,urbanslug/ghc,da-x/ghc,vTurbine/ghc,sdiehl/ghc,nkaretnikov/ghc,ml9951/ghc,snoyberg/ghc,wxwxwwxxx/ghc,urbanslug/ghc,ml9951/ghc,ghc-android/ghc,sgillespie/ghc,ml9951/ghc,olsner/ghc,siddhanathan/ghc,sdiehl/ghc,gridaphobe/ghc,sdiehl/ghc,siddhanathan/ghc,acowley/ghc,mfine/ghc,ghc-android/ghc,elieux/ghc,mettekou/ghc,TomMD/ghc,gridaphobe/ghc,snoyberg/ghc,ghc-android/ghc,vikraman/ghc,elieux/ghc,ml9951/ghc,acowley/ghc,AlexanderPankiv/ghc,AlexanderPankiv/ghc,AlexanderPankiv/ghc,ghc-android/ghc,mfine/ghc,snoyberg/ghc,ezyang/ghc,elieux/ghc,acowley/ghc,ezyang/ghc,olsner/ghc,vikraman/ghc,tjakway/ghcjvm,TomMD/ghc,anton-dessiatov/ghc,sgillespie/ghc,GaloisInc/halvm-ghc,mfine/ghc,shlevy/ghc,AlexanderPankiv/ghc,ghc-android/ghc,ezyang/ghc,elieux/ghc,elieux/ghc,tjakway/ghcjvm,shlevy/ghc,da-x/ghc,GaloisInc/halvm-ghc,anton-dessiatov/ghc,TomMD/ghc,urbanslug/ghc,oldmanmike/ghc,siddhanathan/ghc,AlexanderPankiv/ghc,urbanslug/ghc,urbanslug/ghc,oldmanmike/ghc,sdiehl/ghc,sgillespie/ghc,vTurbine/ghc,mfine/ghc,ezyang/ghc,shlevy/ghc,oldmanmike/ghc,nkaretnikov/ghc,gridaphobe/ghc,snoyberg/ghc,olsner/ghc,ezyang/ghc,mcschroeder/ghc,TomMD/ghc,wxwxwwxxx/ghc,vikraman/ghc,TomMD/ghc,nkaretnikov/ghc,olsner/ghc,urbanslug/ghc,vikraman/ghc,olsner/ghc,mettekou/ghc,GaloisInc/halvm-ghc,siddhanathan/ghc,wxwxwwxxx/ghc,vTurbine/ghc,snoyberg/ghc,nkaretnikov/ghc,vikraman/ghc,nkaretnikov/ghc,sdiehl/ghc,mcschroeder/ghc,tjakway/ghcjvm,shlevy/ghc,vTurbine/ghc,anton-dessiatov/ghc,wxwxwwxxx/ghc