Fixed dependency bug in NetworkGraphPublisher

Change-Id: I1f929105385931aff7817092dc10d76170da825e
diff --git a/src/main/java/net/onrc/onos/ofcontroller/floodlightlistener/NetworkGraphPublisher.java b/src/main/java/net/onrc/onos/ofcontroller/floodlightlistener/NetworkGraphPublisher.java
index f0a828a..bc03535 100644
--- a/src/main/java/net/onrc/onos/ofcontroller/floodlightlistener/NetworkGraphPublisher.java
+++ b/src/main/java/net/onrc/onos/ofcontroller/floodlightlistener/NetworkGraphPublisher.java
@@ -302,6 +302,7 @@
         l.add(IControllerRegistryService.class);
         l.add(IDatagridService.class);
         l.add(INetworkGraphService.class);
+        l.add(IOnosDeviceService.class);
         return l;
 	}