Fix: correctly calculate the broadcast address for DHCP ACK

Change-Id: I240b370304c52c71cdeeeee7a6d1272788bc8390
diff --git a/apps/openstacknetworking/BUILD b/apps/openstacknetworking/BUILD
index be4dc6e..391c74a 100644
--- a/apps/openstacknetworking/BUILD
+++ b/apps/openstacknetworking/BUILD
@@ -3,6 +3,8 @@
     "//apps/openstacknetworking/app:onos-apps-openstacknetworking-app",
     "@httpclient_osgi//jar",
     "@httpcore_osgi//jar",
+    "@commons_net//jar",
+    "@commons_codec//jar",
     "@sshd_core//jar",
 ]