domoticz: Fix libmosquitto dependency, use dynamic libjsoncpp.

Domoticz doesn't use libmosquittopp any more as it was deprecated. It
has its own copy. It can also use the system libjsoncpp, so do that too.

Signed-off-by: David Woodhouse <dwmw2@infradead.org>

utils/domoticz/Makefile

@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=domoticz
 PKG_VERSION:=2020.1
-PKG_RELEASE:=2
+PKG_RELEASE:=3
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=https://github.com/domoticz/domoticz/archive/$(PKG_VERSION)/$(PKG_SOURCE)
@@ -39,8 +39,9 @@ define Package/domoticz
 	+boost-date_time \
 	+boost-system \
 	+boost-thread \
+	+jsoncpp \
 	+libcurl \
-	+libmosquittopp \
+	+libmosquitto \
 	+libopenssl \
 	+libopenzwave \
 	+libsqlite3 \
@@ -59,6 +60,7 @@ CMAKE_OPTIONS += \
 	-DCMAKE_BUILD_TYPE=Release \
 	-DUSE_BUILTIN_MQTT=no \
 	-DUSE_BUILTIN_SQLITE=no \
+	-DUSE_BUILTIN_JSONCPP=no \
 	-DUSE_STATIC_BOOST=no \
 	-DUSE_STATIC_LIBSTDCXX=no \
 	-DUSE_STATIC_OPENZWAVE=no \