Cabal revisions of sendfile-0.4

Hackage metadata revisions edit the .cabal file after upload; each diff below is one revision.

 name:          sendfile version:       0.4+x-revision: 1 stability:     provisional synopsis:      A portable sendfile library description:   A library which exposes zero-copy sendfile functionality in a portable way. If a platform does not support sendfile, a fallback implementation in haskell is provided.      other-modules:   Network.Socket.SendFile.Internal     -    build-depends:   base >= 4 && < 5,+    build-depends:   base >= 4 && < 4.2,                      network >= 2 && < 3      ghc-options: -Wall