gnu: swi-prolog: Update to 8.3.9.

* gnu/packages/prolog.scm (swi-prolog): Update to 8.3.9.

gnu/packages/prolog.scm

@@ -86,7 +86,7 @@ manner.  It also features an interactive interpreter.")
 (define-public swi-prolog
   (package
     (name "swi-prolog")
-    (version "8.3.5")
+    (version "8.3.9")
     (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
-                "14dga0gja45x1717fp1bwgf96nzc0zgb8x1lha0pb46jg1raa2da"))))
+                "0ixb8pc5s7q8q0njs8is1clpvik6jhhdcwnys7m9rpwdzgi10sjz"))))
     (build-system cmake-build-system)
     (arguments
      `(#:parallel-build? #t