sctp: change auth event type name to SCTP_AUTHENTICATION_EVENT

This patch change the auth event type name to SCTP_AUTHENTICATION_EVENT,
which is based on API extension compliance.

Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com>
Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/sctp/ulpevent.c b/net/sctp/ulpevent.c
index dff27d5..62d4a7b 100644
--- a/net/sctp/ulpevent.c
+++ b/net/sctp/ulpevent.c
@@ -843,7 +843,7 @@
 	ak = (struct sctp_authkey_event *)
 		skb_put(skb, sizeof(struct sctp_authkey_event));
 
-	ak->auth_type = SCTP_AUTHENTICATION_INDICATION;
+	ak->auth_type = SCTP_AUTHENTICATION_EVENT;
 	ak->auth_flags = 0;
 	ak->auth_length = sizeof(struct sctp_authkey_event);