patch applied (packages/base): new Control.Category, ghc ticket #1773

[Ashley Yakeley]

Sun Oct 28 19:25:26 PDT 2007  Ashley Yakeley <ashley at semantic.org>
  * new Control.Category, ghc ticket #1773

     ./Control/Compositor.hs -> ./Control/Category.hs
    M ./Control/Applicative.hs -3 +1 r1
    M ./Control/Arrow.hs -7 +7 r1
    M ./Control/Category.hs -9 +21 r2
    M ./base.cabal r1