contrib: bump opendht to fix crash on windows settings view

Change-Id: I37afeb8cf918790b51bd51d529069d33bf5ffbcc
Reviewed-by: Andreas Traczyk <andreas.traczyk@savoirfairelinux.com>

contrib/src/opendht/SHA512SUMS

-128adb0d671456ce1dbc4a24c1ea36d19f73362dc8d1e9774ccc0c87a01201a82672dea785ac0e18a4755ff844760ef6b94a70b571b2587a431223b97a9abf58  opendht-cb9fe9d1fecc610e43060f64afdb635ba6606ddd.tar.gz
+c38181ab8fee9cf59afa41a1e5ece40ebf5a2f392e1f3c901fca4bd53f87364db0fc55eaa5caec0769af99609b642c852b2048ae24bd06bfd7a7c255ae7e4173  opendht-20f4355b7345c08ab18aaa9f556b394161a0598d.tar.gz

contrib/src/opendht/fetch_and_patch.bat

 set BUILD=%SRC%..\build
 
-set OPENDHT_VERSION=cb9fe9d1fecc610e43060f64afdb635ba6606ddd
+set OPENDHT_VERSION=20f4355b7345c08ab18aaa9f556b394161a0598d
 set OPENDHT_URL=https://github.com/savoirfairelinux/opendht/archive/%OPENDHT_VERSION%.tar.gz
 
 mkdir %BUILD%

contrib/src/opendht/rules.mak

 # OPENDHT
-OPENDHT_VERSION := cb9fe9d1fecc610e43060f64afdb635ba6606ddd
+OPENDHT_VERSION := 20f4355b7345c08ab18aaa9f556b394161a0598d
 OPENDHT_URL := https://github.com/savoirfairelinux/opendht/archive/$(OPENDHT_VERSION).tar.gz
 
 PKGS += opendht