100/272: gnu: ghc-hashable-time: Update Cabal file to r1.

[Ricardo Wurmus]

rekado pushed a commit to branch master
in repository guix.

commit 75c07ef5199179cba554a733048d21649f6c0d15
Author: Timothy Sample <address@hidden>
Date:   Fri Aug 31 15:13:10 2018 -0400

    gnu: ghc-hashable-time: Update Cabal file to r1.
    
    * gnu/packages/haskell.scm (ghc-hashable-time): Update Cabal file to r1.
---
 gnu/packages/haskell.scm | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/gnu/packages/haskell.scm b/gnu/packages/haskell.scm
index c81b37a..bfc061c 100644
--- a/gnu/packages/haskell.scm
+++ b/gnu/packages/haskell.scm
@@ -2289,6 +2289,9 @@ combine hash values.")
         (base32
          "0k932nyd08l3xxbh2g3n76py2f4kd9yw4s5a065vjz0xp6wjnxdm"))))
     (build-system haskell-build-system)
+    (arguments
+     `(#:cabal-revision
+       ("1" "0rv40xkg3gj8jnqsry1gq3f5s5la6d5arg8fzkirnwdpcgha1as6")))
     (inputs `(("ghc-hashable" ,ghc-hashable)))
     (home-page "http://hackage.haskell.org/package/hashable-time";)
     (synopsis "Hashable instances for Data.Time")