sctp: fix up a spacing

fix up spacing of proc_sctp_do_hmac_alg for according to the
proc_sctp_do_rto_min[max] in sysctl.c

Suggested-by: Daniel Borkmann <dborkman@redhat.com>
Signed-off-by: Wang Weidong <wangweidong1@huawei.com>
Acked-by: Vlad Yasevich <vyasevich@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/sctp/sysctl.c b/net/sctp/sysctl.c
index 43b5e32..b0565af 100644
--- a/net/sctp/sysctl.c
+++ b/net/sctp/sysctl.c
@@ -56,10 +56,8 @@
 extern int sysctl_sctp_rmem[3];
 extern int sysctl_sctp_wmem[3];
 
-static int proc_sctp_do_hmac_alg(struct ctl_table *ctl,
-				int write,
+static int proc_sctp_do_hmac_alg(struct ctl_table *ctl, int write,
 				void __user *buffer, size_t *lenp,
-
 				loff_t *ppos);
 static int proc_sctp_do_rto_min(struct ctl_table *ctl, int write,
 				void __user *buffer, size_t *lenp,
@@ -301,8 +299,7 @@
 	{ /* sentinel */ }
 };
 
-static int proc_sctp_do_hmac_alg(struct ctl_table *ctl,
-				int write,
+static int proc_sctp_do_hmac_alg(struct ctl_table *ctl, int write,
 				void __user *buffer, size_t *lenp,
 				loff_t *ppos)
 {