gnu: r-geosphere: Update to 1.5-20.

* gnu/packages/cran.scm (r-geosphere): Update to 1.5-20.

Change-Id: I453eef40f37e930f8b4dfd6a3c29621d96f4dde1

gnu/packages/cran.scm

@@ -6968,14 +6968,14 @@ complex non-linear objective function with a very large number of optima.")
 (define-public r-geosphere
   (package
     (name "r-geosphere")
-    (version "1.5-18")
+    (version "1.5-20")
     (source
      (origin
        (method url-fetch)
        (uri (cran-uri "geosphere" version))
        (sha256
         (base32
-         "1h6sqvxwxv22js6hz4s8sjk50ygw0y34icbbbdb2v36ca3q6zzwr"))))
+         "01cwlrbqi216a19h9721i0vj7vakrybybqkicbg9pwyv6c2hy8cq"))))
     (build-system r-build-system)
     (propagated-inputs (list r-rcpp r-sp))
     (home-page "https://cran.r-project.org/web/packages/geosphere")