nodejs: fix build error

Moved 'build/Release/dring.node' from BUILT_SOURCES to CLEANFILES
This fixed the build error where compiler could not find rule to make target

Change-Id: I6a2dd573894c8003489fcac5011229be2b1c7fa3

bin/nodejs/Makefile.am

@@ -3,7 +3,6 @@ include $(top_srcdir)/globals.mk
 BUILT_SOURCES= \
 	ring_wrapper.cpp \
 	build/Makefile \
-	build/Release/dring.node \
 	build/Release/obj.target/dring.node
 
 ring_wrapper.cpp: nodejs_interface.i configurationmanager.i managerimpl.i
@@ -16,4 +15,5 @@ build/Release/obj.target/dring.node: build/Makefile ring_wrapper.cpp callback.h
 	node-gyp build
 
 CLEANFILES= \
-	$(BUILT_SOURCES)
+	$(BUILT_SOURCES) \
+	build/Release/dring.node