Treat Windows an macOS as special case in appdirs
Treat Windows an macOS as special case in appdirs

pfmoore/pip,xavfernandez/pip,xavfernandez/pip,sbidoul/pip,xavfernandez/pip,pypa/pip,pypa/pip,pradyunsg/pip,pfmoore/pip,sbidoul/pip,pradyunsg/pip