47/257: gnu: ghc-tagged: Update Cabal file to r2.

[Ricardo Wurmus]

rekado pushed a commit to branch wip-haskell
in repository guix.

commit e3150932f8559b98536751eceedba043b9dbb025
Author: Timothy Sample <address@hidden>
Date:   Wed Aug 29 16:40:07 2018 -0400

    gnu: ghc-tagged: Update Cabal file to r2.
    
    * gnu/packages/haskell.scm (ghc-tagged): Update Cabal file to r2.
---
 gnu/packages/haskell.scm | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/gnu/packages/haskell.scm b/gnu/packages/haskell.scm
index b70df5b..881936e 100644
--- a/gnu/packages/haskell.scm
+++ b/gnu/packages/haskell.scm
@@ -4427,6 +4427,9 @@ periodic, on-demand actions in Haskell.")
         (base32
          "16cdzh0bw16nvjnyyy5j9s60malhz4nnazw96vxb0xzdap4m2z74"))))
     (build-system haskell-build-system)
+    (arguments
+     `(#:cabal-revision
+       ("2" "0r2knfcq0b4s652vlvlnfwxlc2mkc2ra9kl8bp4zdn1awmfy0ia5")))
     (inputs
      `(("ghc-transformers-compat" ,ghc-transformers-compat)))
     (home-page "https://hackage.haskell.org/package/tagged";)