Cabal revisions of dns-3.0.3

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

 Name:                   dns Version:                3.0.3+x-revision: 1 Author:                 Kazu Yamamoto <kazu@iij.ad.jp> Maintainer:             Kazu Yamamoto <kazu@iij.ad.jp> License:                BSD3                         cbits/dns.c  Library+  Other-Extensions:     PatternSynonyms   Default-Language:     Haskell2010   GHC-Options:          -Wall   Exposed-Modules:      Network.DNS