Cabal revisions of wai-app-static-3.1.7

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

 name:            wai-app-static version:         3.1.7+x-revision: 1 license:         MIT license-file:    LICENSE author:          Michael Snoyman <michael@snoyman.com>     Default:       False  library-    build-depends:   base                      >= 4        && < 5+    build-depends:   base                      >= 4.8      && < 5                    , wai                       >= 3.0      && < 3.3                    , bytestring                >= 0.10.4                    , http-types                >= 0.7