branch master updated: gnu: swi-prolog: Update to 8.1.21.

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The following commit(s) were added to refs/heads/master by this push:
     new 2aa1e76  gnu: swi-prolog: Update to 8.1.21.
2aa1e76 is described below

commit 2aa1e76519199d800a334e7ef8883be34ea3dd62
Author: Brett Gilio <address@hidden>
AuthorDate: Fri Jan 24 16:31:13 2020 -0600

    gnu: swi-prolog: Update to 8.1.21.
    
    * gnu/packages/prolog.scm (swi-prolog): Update to 8.1.21.
---
 gnu/packages/prolog.scm | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/gnu/packages/prolog.scm b/gnu/packages/prolog.scm
index ca280f7..00b471f 100644
--- a/gnu/packages/prolog.scm
+++ b/gnu/packages/prolog.scm
@@ -86,7 +86,7 @@ manner.  It also features an interactive interpreter.")
 (define-public swi-prolog
   (package
     (name "swi-prolog")
-    (version "8.1.20")
+    (version "8.1.21")
     (source (origin
               (method git-fetch)
               (uri (git-reference
@@ -96,7 +96,7 @@ manner.  It also features an interactive interpreter.")
               (file-name (git-file-name name version))
               (sha256
                (base32
-                "0blpw5g0gszi83wmvyhlh7pk4wlyx00vgaj6qr3ris36cdl8j10a"))))
+                "1axdiz37dllw0ih58ffm0m95dfxqfzwahl48hpzq90rz4swcr1lq"))))
     (build-system cmake-build-system)
     (arguments
      `(#:parallel-build? #t