ONOS-3748 Resubmitting pending PURGE_REQ intents

Change-Id: I71ea3f35e1bc3e80d5df393d27fad5f48a295818
diff --git a/core/net/src/main/java/org/onosproject/net/intent/impl/IntentCleanup.java b/core/net/src/main/java/org/onosproject/net/intent/impl/IntentCleanup.java
index a85865e..d51fe3a 100644
--- a/core/net/src/main/java/org/onosproject/net/intent/impl/IntentCleanup.java
+++ b/core/net/src/main/java/org/onosproject/net/intent/impl/IntentCleanup.java
@@ -195,6 +195,9 @@
             case WITHDRAW_REQ:
                 service.withdraw(intentData.intent());
                 break;
+            case PURGE_REQ:
+                service.purge(intentData.intent());
+                break;
             default:
                 log.warn("Failed to resubmit pending intent {} in state {} with request {}",
                          intentData.key(), intentData.state(), intentData.request());