domoticz: enable BUILD_SHARED_LIBS

Without this, no suitable boost_thread variant can be identified when
compiling against Boost 1.70.

Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>

utils/domoticz/Makefile

@@ -62,6 +62,7 @@ define Package/domoticz/description
 endef
 
 CMAKE_OPTIONS += \
+	-DBUILD_SHARED_LIBS=yes \
 	-DCMAKE_BUILD_TYPE=Release \
 	-DUSE_BUILTIN_MQTT=no \
 	-DUSE_BUILTIN_SQLITE=no \