Cabal revisions of zlib-0.6.1.2

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

 name:            zlib version:         0.6.1.2+x-revision: 1 copyright:       (c) 2006-2016 Duncan Coutts license:         BSD3 license-file:    LICENSE                     DeriveDataTypeable   if impl(ghc >= 7.2)     other-extensions: DeriveGeneric-  build-depends:   base >= 4 && < 5,-                   bytestring >= 0.9 && < 0.12+  build-depends:   base >= 4 && < 4.13,+                   bytestring >= 0.9 && < 0.11   if impl(ghc >= 7.2 && < 7.6)     build-depends: ghc-prim   includes:        zlib.h