Cabal revisions of hsdns-1.6

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

 Name:                   hsdns Version:                1.6+x-revision: 1 Copyright:              Peter Simons License:                LGPL-3 License-File:           COPYING.LESSER   Location:             git://github.com/peti/hsdns.git  Library-  Build-Depends:        base >= 3 && < 5, network, containers+  Build-Depends:        base >= 3 && < 5, network < 2.9, containers   Extensions:           ForeignFunctionInterface, EmptyDataDecls   Extra-Libraries:      adns   Includes:             "adns.h" "errno.h"