contrib: update dhtnet

Change-Id: If64326796b5fb678994fe734aabfd57067b7bacb

contrib/src/dhtnet/package.json

 {
     "name": "dhtnet",
-    "version": "a7d1be9886dba9094c801a924c02ded59d75132c",
+    "version": "7889017472aca87e7fbd1845ff94bdecb502d4ed",
     "url": "https://review.jami.net/plugins/gitiles/dhtnet/+archive/__VERSION__.tar.gz",
     "deps": [
         "opendht",

contrib/src/dhtnet/rules.mak

 # DHTNET
-DHTNET_VERSION := 571351628b130c6ec9840df9682359a3d54d1b71
+DHTNET_VERSION := 7889017472aca87e7fbd1845ff94bdecb502d4ed
 DHTNET_URL := https://review.jami.net/plugins/gitiles/dhtnet/+archive/$(DHTNET_VERSION).tar.gz
 
 PKGS += dhtnet