sctp: remove the typedef sctp_ecne_chunk_t

This patch is to remove the typedef sctp_ecne_chunk_t, and
replace with struct sctp_ecne_chunk in the places where it's
using this typedef.

Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/linux/sctp.h b/include/linux/sctp.h
index 5ea739b..026bbdf 100644
--- a/include/linux/sctp.h
+++ b/include/linux/sctp.h
@@ -523,10 +523,10 @@ struct sctp_ecnehdr {
 	__be32 lowest_tsn;
 };
 
-typedef struct sctp_ecne_chunk {
+struct sctp_ecne_chunk {
 	struct sctp_chunkhdr chunk_hdr;
 	struct sctp_ecnehdr ence_hdr;
-} sctp_ecne_chunk_t;
+};
 
 /* RFC 2960.  Appendix A.  Explicit Congestion Notification.
  *   Congestion Window Reduced (CWR) (13)