GSUP_Types: add message type for osmo-epdg CEAI interface

The CEIA interface is an interface between osmo-epdg and
strongswan.
It is used by the osmo-epdg to synchronize state.

Related: OS#6091
Related: libosmocore.git Change-Id I6f7c20340c99f94b1326a8a7dc99c86cf6a0dbc3
Change-Id: I3da4f731597eee3736a9aab513f5257a78e8d8eb
---
M library/GSUP_Types.ttcn
1 file changed, 17 insertions(+), 1 deletion(-)

diff --git a/library/GSUP_Types.ttcn b/library/GSUP_Types.ttcn
index b3154ac..7d6af7a 100644
--- a/library/GSUP_Types.ttcn
+++ b/library/GSUP_Types.ttcn
@@ -172,7 +172,8 @@
 	OSMO_GSUP_MESSAGE_CLASS_SUBSCRIBER_MANAGEMENT	(1),
 	OSMO_GSUP_MESSAGE_CLASS_SMS			(2),
 	OSMO_GSUP_MESSAGE_CLASS_USSD			(3),
-	OSMO_GSUP_MESSAGE_CLASS_INTER_MSC		(4)
+	OSMO_GSUP_MESSAGE_CLASS_INTER_MSC		(4),
+	OSMO_GSUP_MESSAGE_CLASS_IPSEC_EPDG		(5)
 } with { variant "FIELDLENGTH(8)" };
 
 type record GSUP_MSISDN {

