fix File.chmod
fix File.chmod

Maxwell-Alexius/goby,goby-lang/goby,Maxwell-Alexius/goby,hachi8833/goby,st0012/Rooby,Maxwell-Alexius/goby,hachi8833/goby,st0012/Rooby,hachi8833/goby,goby-lang/goby,goby-lang/goby