Testsuite: ignore `stdcall attribute ignored` (#1288)
Testsuite: ignore `stdcall attribute ignored` (#1288)

That warning is only shown on some platforms, and is I believe harmless.

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