Cabal revisions of x509-1.7.3

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

 Name:                x509 version:             1.7.3+x-revision: 1 Description:         X509 reader and writer License:             BSD3 License-file:        LICENSE Cabal-Version:       >= 1.10  Library+  -- Could not find module 'Data.Proxy'+  build-depends: base >=4.7+   Default-Language:  Haskell2010   Build-Depends:     base >= 3 && < 5                    , bytestring