openflow_input: add BSN extensions to OF 1.4
I left out the following extensions that are no longer used or have been
superceded by the standard:
- bsn_disable_split_horizon_check
- bsn_role_status
- bsn_global_vrf_allowed
diff --git a/openflow_input/bsn-1.3 b/openflow_input/bsn-1.3
index f9340b4..5ad480c 100644
--- a/openflow_input/bsn-1.3
+++ b/openflow_input/bsn-1.3
@@ -26,6 +26,7 @@
// under the EPL.
#version 4
+#version 5
// BSN extension instruction
struct of_instruction_bsn : of_instruction_experimenter {