contrib: bump opendht

+ Fix timeout on OCSP requests
+ Fix addresses when switching between two interfaces (proxy_client)

Change-Id: Id6b65e665bc8e150bdefa040fc49bd21f666d352

contrib/src/opendht/SHA512SUMS

-5962b2fafb571124593b4277c7333d58daacf7b633399b44eb7755fced49b31404c3b24ea3710bd76db632801b36b82a532c3aebb57f94ec7c8f6ad77c5b0550  opendht-2.4.9.tar.gz
\ No newline at end of file
+38d3bcb52cc6585fd53bf066b62294a5ca536f5b9cefc5cf0f01e40e139ed1675fafef909f2244790687b6e99187318350d272e08673d0b2112ff73ce2ef2f11  opendht-af7d88b057fa4c84ab9096c6a1932bd5d34634ef.tar.gz
\ No newline at end of file

contrib/src/opendht/package.json

 {
     "name": "opendht",
-    "version": "v2.4.9",
+    "version": "af7d88b057fa4c84ab9096c6a1932bd5d34634ef",
     "url": "https://github.com/savoirfairelinux/opendht/archive/__VERSION__.tar.gz",
     "deps": [
         "argon2",

contrib/src/opendht/rules.mak

 # OPENDHT
-OPENDHT_VERSION := 2.4.9
-OPENDHT_URL := https://github.com/savoirfairelinux/opendht/archive/v$(OPENDHT_VERSION).tar.gz
+OPENDHT_VERSION := af7d88b057fa4c84ab9096c6a1932bd5d34634ef
+OPENDHT_URL := https://github.com/savoirfairelinux/opendht/archive/$(OPENDHT_VERSION).tar.gz
 
 PKGS += opendht
 ifeq ($(call need_pkg,'opendht >= 2.4.8'),)