sctp: fix checkpatch errors with open brace '{' and trailing statements

fix checkpatch errors below:
ERROR: that open brace { should be on the previous line
ERROR: open brace '{' following function declarations go on the next line
ERROR: trailing statements should be on next line

Signed-off-by: Wang Weidong <wangweidong1@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/sctp/input.c b/net/sctp/input.c
index b67e3d83..1f4eeb4 100644
--- a/net/sctp/input.c
+++ b/net/sctp/input.c
@@ -180,8 +180,7 @@
 	 * If a frame arrives on an interface and the receiving socket is
 	 * bound to another interface, via SO_BINDTODEVICE, treat it as OOTB
 	 */
-	if (sk->sk_bound_dev_if && (sk->sk_bound_dev_if != af->skb_iif(skb)))
-	{
+	if (sk->sk_bound_dev_if && (sk->sk_bound_dev_if != af->skb_iif(skb))) {
 		if (asoc) {
 			sctp_association_put(asoc);
 			asoc = NULL;
@@ -610,8 +609,7 @@
 		if (ICMP_FRAG_NEEDED == code) {
 			sctp_icmp_frag_needed(sk, asoc, transport, info);
 			goto out_unlock;
-		}
-		else {
+		} else {
 			if (ICMP_PROT_UNREACH == code) {
 				sctp_icmp_proto_unreachable(sk, asoc,
 							    transport);