Fix problem with Buf.new(my @a)
Fix problem with Buf.new(my @a)

Spotted by Ronald Schmidt

azawawi/rakudo,raydiak/rakudo,ab5tract/rakudo,lucasbuchala/rakudo,Gnouc/rakudo,softmoth/rakudo,softmoth/rakudo,salortiz/rakudo,azawawi/rakudo,awwaiid/rakudo,rakudo/rakudo,tbrowder/rakudo,azawawi/rakudo,b2gills/rakudo,lucasbuchala/rakudo,labster/rakudo,usev6/rakudo,nbrown/rakudo,nbrown/rakudo,softmoth/rakudo,tony-o/rakudo,lucasbuchala/rakudo,MasterDuke17/rakudo,jonathanstowe/rakudo,ab5tract/rakudo,salortiz/rakudo,zostay/rakudo,nbrown/rakudo,raydiak/rakudo,rakudo/rakudo,jonathanstowe/rakudo,jonathanstowe/rakudo,awwaiid/rakudo,azawawi/rakudo,jonathanstowe/rakudo,sjn/rakudo,lucasbuchala/rakudo,Gnouc/rakudo,MasterDuke17/rakudo,softmoth/rakudo,Gnouc/rakudo,b2gills/rakudo,tbrowder/rakudo,zostay/rakudo,MasterDuke17/rakudo,lucasbuchala/rakudo,samcv/rakudo,nbrown/rakudo,rakudo/rakudo,sjn/rakudo,awwaiid/rakudo,rakudo/rakudo,MasterDuke17/rakudo,tony-o/rakudo,softmoth/rakudo,labster/rakudo,awwaiid/rakudo,samcv/rakudo,b2gills/rakudo,salortiz/rakudo,tony-o/rakudo,samcv/rakudo,tbrowder/rakudo,sjn/rakudo,rakudo/rakudo,labster/rakudo,Gnouc/rakudo,tbrowder/rakudo,tbrowder/rakudo,ab5tract/rakudo,salortiz/rakudo,nbrown/rakudo,sjn/rakudo,tony-o/rakudo,azawawi/rakudo,tony-o/rakudo,sjn/rakudo,zostay/rakudo,tbrowder/rakudo,raydiak/rakudo,usev6/rakudo,awwaiid/rakudo,Gnouc/rakudo,labster/rakudo,tony-o/rakudo,b2gills/rakudo,usev6/rakudo,usev6/rakudo,jonathanstowe/rakudo,salortiz/rakudo,b2gills/rakudo,samcv/rakudo,rakudo/rakudo,MasterDuke17/rakudo,usev6/rakudo,salortiz/rakudo,samcv/rakudo,raydiak/rakudo,ab5tract/rakudo,ab5tract/rakudo,MasterDuke17/rakudo,Gnouc/rakudo,nbrown/rakudo,labster/rakudo,zostay/rakudo,labster/rakudo