Cabal revisions of network-2.4.1.2

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

 name:           network version:        2.4.1.2+x-revision: 1 license:        BSD3 license-file:   LICENSE maintainer:     Johan Tibell <johan.tibell@gmail.com>       Network.Socket.ByteString.MsgHdr    build-depends:-    base >= 3 && < 5,+    base >= 3 && < 4.9,     bytestring,     parsec >= 3.0