Revert "gnu: opendht: Update to 2.5.2."

This reverts commit 31534f4e4d.  It broke libjami.

gnu/packages/networking.scm

@@ -3763,7 +3763,7 @@ and targeted primarily for asynchronous processing of HTTP-requests.")
 (define-public opendht
   (package
     (name "opendht")
-    (version "2.5.2")
+    (version "2.4.12")
     (source (origin
               (method git-fetch)
               (uri (git-reference
@@ -3772,7 +3772,7 @@ and targeted primarily for asynchronous processing of HTTP-requests.")
               (file-name (git-file-name name version))
               (sha256
                (base32
-                "1lxiblwx3bah9rawarq41kb0c7z7lx4bsh7svkri306kyydd64kb"))))
+                "0yji5pziqxfvyfizk3fn9j59bqlfdwfa1a0y9jjfknb2mmlwwb9w"))))
     (outputs '("out" "python" "tools" "debug"))
     (build-system gnu-build-system)
     (arguments