contrib: update dhtnet

Change-Id: I395503d170e92daa8074cea9877014d27f49ce54

contrib/src/dhtnet/package.json

 {
     "name": "dhtnet",
-    "version": "95219efbf7300fb680a35ca8f5b007e845d58730",
+    "version": "7b869d9ca4f277dfc7eb7c819d644f124b98299d",
     "url": "https://review.jami.net/plugins/gitiles/dhtnet/+archive/__VERSION__.tar.gz",
     "deps": [
         "opendht",

contrib/src/dhtnet/rules.mak

 # DHTNET
-DHTNET_VERSION := 95219efbf7300fb680a35ca8f5b007e845d58730
+DHTNET_VERSION := 7b869d9ca4f277dfc7eb7c819d644f124b98299d
 DHTNET_URL := https://review.jami.net/plugins/gitiles/dhtnet/+archive/$(DHTNET_VERSION).tar.gz
 
 PKGS += dhtnet