gnu: yadifa: Update to 2.3.9.

* gnu/packages/dns.scm (yadifa): Update to 2.3.9.

gnu/packages/dns.scm

@@ -524,16 +524,16 @@ served by AS112.  Stub and forward zones are supported.")
 (define-public yadifa
   (package
     (name "yadifa")
-    (version "2.3.8")
+    (version "2.3.9")
     (source
-     (let ((build "7713"))
+     (let ((build "8497"))
        (origin
          (method url-fetch)
          (uri
           (string-append "http://cdn.yadifa.eu/sites/default/files/releases/"
                          "yadifa-" version "-" build ".tar.gz"))
          (sha256
-          (base32 "15xhzg4crjcxascwpz6y8qpqcgypzv2p9bspdskp4nx1x1y4316c")))))
+          (base32 "0xvyr91sfgzkpw6g3h893ldbwnki3w2472n56rr18w67qghs1sa5")))))
     (build-system gnu-build-system)
     (native-inputs
      `(("which" ,which)))