30/74: gnu: r-r6: Update to 2.4.0.

[guix-commits]

rekado pushed a commit to branch master
in repository guix.

commit 6a0a2342dd079fcf0840eda4df43d71f602020a1
Author: Ricardo Wurmus <address@hidden>
Date:   Thu Mar 7 23:35:54 2019 +0100

    gnu: r-r6: Update to 2.4.0.
    
    * gnu/packages/statistics.scm (r-r6): Update to 2.4.0.
---
 gnu/packages/statistics.scm | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/gnu/packages/statistics.scm b/gnu/packages/statistics.scm
index 774a917..aa3d79d 100644
--- a/gnu/packages/statistics.scm
+++ b/gnu/packages/statistics.scm
@@ -1613,13 +1613,13 @@ flexible and easy to set up.")
 (define-public r-r6
   (package
     (name "r-r6")
-    (version "2.3.0")
+    (version "2.4.0")
     (source (origin
               (method url-fetch)
               (uri (cran-uri "R6" version))
               (sha256
                (base32
-                "1jgshp0x8a65rwyvk31slnfp7l153dk5826y2rxcd5lpclby3d85"))))
+                "1kmbw2k5vvzwh3wwmn66mszpfny0z6k8dca980qgbxgvfh0i3gkh"))))
     (build-system r-build-system)
     (home-page "https://github.com/wch/R6/";)
     (synopsis "Classes with reference semantics in R")