unbound: Update to version 1.9.4

Fixes CVE-2019-16866

Signed-off-by: Josef Schlehofer <pepe.schlehofer@gmail.com>

net/unbound/Makefile

@@ -8,12 +8,12 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=unbound
-PKG_VERSION:=1.9.3
+PKG_VERSION:=1.9.4
 PKG_RELEASE:=1
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=https://nlnetlabs.nl/downloads/unbound
-PKG_HASH:=1b55dd9170e4bfb327fb644de7bbf7f0541701149dff3adf1b63ffa785f16dfa
+PKG_HASH:=3d3e25fb224025f0e732c7970e5676f53fd1764c16d6a01be073a13e42954bb0
 
 PKG_MAINTAINER:=Eric Luehrsen <ericluehrsen@gmail.com>
 PKG_LICENSE:=BSD-3-Clause