217/249: gnu: ghc-lens: Update to 4.17.1.

[guix-commits]

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

commit 2ca0554bc0275822d3fd9f0aad80206a8906ef63
Author: Timothy Sample <address@hidden>
Date:   Thu Oct 31 13:25:47 2019 -0400

    gnu: ghc-lens: Update to 4.17.1.
    
    * gnu/packages/haskell-xyz.scm (ghc-lens): Update to 4.17.1.
---
 gnu/packages/haskell-xyz.scm | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/gnu/packages/haskell-xyz.scm b/gnu/packages/haskell-xyz.scm
index ea16ddb..f9e94dc 100644
--- a/gnu/packages/haskell-xyz.scm
+++ b/gnu/packages/haskell-xyz.scm
@@ -5593,7 +5593,7 @@ with @code{wc} (for a web service).")
 (define-public ghc-lens
   (package
     (name "ghc-lens")
-    (version "4.16.1")
+    (version "4.17.1")
     (source
      (origin
        (method url-fetch)
@@ -5601,7 +5601,7 @@ with @code{wc} (for a web service).")
                            version ".tar.gz"))
        (sha256
         (base32
-         "1im4drhbydbawd6i0jsrzpqihnmx4ywpkg7yg94ddwsw3mxwkgpm"))))
+         "1gpkc53l2cggnfrgg5k4ih82rycjbdvpj9pnbi5cq8ms0dbvs4a7"))))
     (build-system haskell-build-system)
     (arguments
      `(#:cabal-revision