Log Message:
Update to 1.85

Upstream changes:
1.85    2020-10-15      Add Linux::Raspbian and Linux::Ubuntu;
                        Add Linux::RealDebian for *actual* Debian Linux;
                        Add Linux::UnknownDebianLike for anything else that's \ 
like Debian;
                        Linux::Debian has become a family that includes all the above

1.84    2020-10-05      Add some more versions of MacOS;
                        Note change of name Mac OS X -> MacOS, but don't
                          change the module name for backward compatibility;
                        Add MSYS (reported by perl in MinGW environments)