24/128: gnu: r-knitr: Update to 1.21.

[guix-commits]

rekado pushed a commit to branch master
in repository guix.

commit 495866a9d787f353a592f5949d5950c942d6e49f
Author: Ricardo Wurmus <address@hidden>
Date:   Sat Jan 12 15:40:56 2019 +0100

    gnu: r-knitr: Update to 1.21.
    
    * gnu/packages/statistics.scm (r-knitr): Update to 1.21.
    [propagated-inputs]: Add r-xfun.
---
 gnu/packages/statistics.scm | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/gnu/packages/statistics.scm b/gnu/packages/statistics.scm
index 56a49db..96018c3 100644
--- a/gnu/packages/statistics.scm
+++ b/gnu/packages/statistics.scm
@@ -1408,19 +1408,20 @@ emitter (http://pyyaml.org/wiki/LibYAML) for R.")
 (define-public r-knitr
   (package
     (name "r-knitr")
-    (version "1.20")
+    (version "1.21")
     (source (origin
               (method url-fetch)
               (uri (cran-uri "knitr" version))
               (sha256
                (base32
-                "1408dm25cxahk2clff8hlajaqdj5v1gs40nm3q6rf0ghd82hj93v"))))
+                "0xzymi4gkilqaa5b2ay9zk1advavzkwxf7mb064bqfb09y8rak0j"))))
     (build-system r-build-system)
     (propagated-inputs
      `(("r-evaluate" ,r-evaluate)
        ("r-highr" ,r-highr)
        ("r-markdown" ,r-markdown)
        ("r-stringr" ,r-stringr)
+       ("r-xfun" ,r-xfun)
        ("r-yaml" ,r-yaml)))
     (home-page "http://yihui.name/knitr/";)
     (synopsis "General-purpose package for dynamic report generation in R")