LoxiGen: add OF 1.3 OF_HELLO_ELEM_TYPE group
diff --git a/loxi_front_end/translation.py b/loxi_front_end/translation.py
index 6c39a3a..84a9a35 100644
--- a/loxi_front_end/translation.py
+++ b/loxi_front_end/translation.py
@@ -116,6 +116,7 @@
         dict(OFPMP_ = "OF_MULTIPART_"),
         dict(OFPMPF_ = "OF_MULTIPART_FLAG_"),
         dict(OFPTFPT_ = "OF_TABLE_FEATURE_"),
+        dict(OFPHET = "OF_HELLO_ELEM_TYPE_"),
         ]
 
     for entry in rules: