message: fix Flex reassignment bug
diff: @@ -46,7 +46,7 @@ const SubNav = styled(SubNavBase)`
  ${sx};
  `
  -SubNav.Links = Flex
  +SubNav.Links = props => <Flex {...props} />
  SubNav.Link = styled.a.attrs(props => ({
  activeClassName: typeof props.to === 'string' ? 'selected' : '',
  