[csw-maintainers] Update of flex

[Dagobert Michelsen]

Fellow maintainers,

I took the opportunity to obsolete flex 2.5.4a, drop flex_new and
update flex to 2.5.37. The new packages will appear on the mirrors
soon and I will then update the buildfarm.


Best regards

  -- Dago

-- 
"You don't become great by trying to be great, you become great by wanting to do something,
and then doing it so hard that you become great in the process." - xkcd #896