sctp: remove the typedef sctp_paramhdr_t

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

It is also to fix some indents and  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/net/sctp/associola.c b/net/sctp/associola.c
index 757be41..fa4f530 100644
--- a/net/sctp/associola.c
+++ b/net/sctp/associola.c
@@ -71,7 +71,7 @@ static struct sctp_association *sctp_association_init(struct sctp_association *a
 {
 	struct net *net = sock_net(sk);
 	struct sctp_sock *sp;
-	sctp_paramhdr_t *p;
+	struct sctp_paramhdr *p;
 	int i;
 
 	/* Retrieve the SCTP per socket area.  */
@@ -284,9 +284,9 @@ static struct sctp_association *sctp_association_init(struct sctp_association *a
 			ntohs(ep->auth_chunk_list->param_hdr.length));
 
 	/* Get the AUTH random number for this association */
-	p = (sctp_paramhdr_t *)asoc->c.auth_random;
+	p = (struct sctp_paramhdr *)asoc->c.auth_random;
 	p->type = SCTP_PARAM_RANDOM;
-	p->length = htons(sizeof(sctp_paramhdr_t) + SCTP_AUTH_RANDOM_LENGTH);
+	p->length = htons(sizeof(*p) + SCTP_AUTH_RANDOM_LENGTH);
 	get_random_bytes(p+1, SCTP_AUTH_RANDOM_LENGTH);
 
 	return asoc;