Add a case to handle 1.3 set-field actions when parsing flow entries.

The handling is not actually implemented, I just want to suppress the log
message for now. I have a task on Jira to actually implement this: ONOS-333

Change-Id: I9b230e7c602a61f3c2a0c35ae04ae06e305cd439
diff --git a/providers/openflow/flow/src/main/java/org/onlab/onos/provider/of/flow/impl/FlowEntryBuilder.java b/providers/openflow/flow/src/main/java/org/onlab/onos/provider/of/flow/impl/FlowEntryBuilder.java
index 618f763..68669f6 100644
--- a/providers/openflow/flow/src/main/java/org/onlab/onos/provider/of/flow/impl/FlowEntryBuilder.java
+++ b/providers/openflow/flow/src/main/java/org/onlab/onos/provider/of/flow/impl/FlowEntryBuilder.java
@@ -184,6 +184,9 @@
                     log.warn("Unsupported OFActionExperimenter {}", exp.getExperimenter());
                 }
                 break;
+            case SET_FIELD:
+                // TODO handle 1.3 set field actions correctly
+                break;
             case SET_TP_DST:
             case SET_TP_SRC:
             case POP_MPLS:
@@ -192,7 +195,6 @@
             case PUSH_MPLS:
             case PUSH_PBB:
             case PUSH_VLAN:
-            case SET_FIELD:
             case SET_MPLS_LABEL:
             case SET_MPLS_TC:
             case SET_MPLS_TTL: