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 <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
diff --git a/net/sctp/auth.c b/net/sctp/auth.c
index a594b3c..683c7d1 100644
--- a/net/sctp/auth.c
+++ b/net/sctp/auth.c
@@ -499,8 +499,7 @@
 	if (!auth_hmacs)
 		return;
 
-	for (i = 0; i < SCTP_AUTH_NUM_HMACS; i++)
-	{
+	for (i = 0; i < SCTP_AUTH_NUM_HMACS; i++) {
 		if (auth_hmacs[i])
 			crypto_free_hash(auth_hmacs[i]);
 	}