Cabal revisions of simple-sendfile-0.2.21

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

 Name:                   simple-sendfile Version:                0.2.21+x-revision: 1 Author:                 Kazu Yamamoto <kazu@iij.ad.jp> Maintainer:             Kazu Yamamoto <kazu@iij.ad.jp> License:                BSD3   Exposed-Modules:      Network.Sendfile   Other-Modules:        Network.Sendfile.Types   Build-Depends:        base >= 4 && < 5-                      , network+                      , network < 2.9                       , bytestring   -- NetBSD and OpenBSD don't have sendfile   if os(freebsd) && flag(allow-bsd)                       , resourcet                       , directory                       , hspec >= 1.3-                      , network+                      , network < 2.9                       , process                       , simple-sendfile                       , unix