Added WITHDRAW_REQ Intent State for ONOS-146

Fixed flow removed from other instance

Change-Id: I22c88a447e26770fea8b7e23f4a78b1389077ad1
diff --git a/apps/optical/src/main/java/org/onlab/onos/optical/OpticalPathProvisioner.java b/apps/optical/src/main/java/org/onlab/onos/optical/OpticalPathProvisioner.java
index e11298b..f4ad841 100644
--- a/apps/optical/src/main/java/org/onlab/onos/optical/OpticalPathProvisioner.java
+++ b/apps/optical/src/main/java/org/onlab/onos/optical/OpticalPathProvisioner.java
@@ -94,7 +94,7 @@
         @Override
         public void event(IntentEvent event) {
             switch (event.type()) {
-                case SUBMITTED:
+                case INSTALL_REQ:
                     break;
                 case INSTALLED:
                     break;