nodejs: build with ring

Change-Id: Ifffbfd1bdb9a8389a2cd8f45f415b0f78a93d406

bin/Makefile.am

@@ -32,6 +32,10 @@ dring_CXXFLAGS= -I$(top_srcdir)/src ${DBUSCPP_CFLAGS} \
 dring_LDADD = dbus/libclient_dbus.la ${DBUSCPP_LIBS} $(top_builddir)/src/libring.la
 endif
 
+if RING_NODEJS
+SUBDIRS=nodejs
+endif
+
 if RING_RESTCPP
 SUBDIRS=restcpp