sctp: remove the typedef sctp_ecnehdr_t

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

It is also to use sizeof(variable) instead of sizeof(type).

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 c74ea93..5ea739b 100644
--- a/include/linux/sctp.h
+++ b/include/linux/sctp.h
@@ -519,13 +519,13 @@ enum sctp_error {
 /* RFC 2960.  Appendix A.  Explicit Congestion Notification.
  *   Explicit Congestion Notification Echo (ECNE) (12)
  */
-typedef struct sctp_ecnehdr {
+struct sctp_ecnehdr {
 	__be32 lowest_tsn;
-} sctp_ecnehdr_t;
+};
 
 typedef struct sctp_ecne_chunk {
 	struct sctp_chunkhdr chunk_hdr;
-	sctp_ecnehdr_t ence_hdr;
+	struct sctp_ecnehdr ence_hdr;
 } sctp_ecne_chunk_t;
 
 /* RFC 2960.  Appendix A.  Explicit Congestion Notification.