[NETFILTER]: Fix whitespace errors

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/netfilter/xt_SECMARK.c b/net/netfilter/xt_SECMARK.c
index f1131c3..705f0e8 100644
--- a/net/netfilter/xt_SECMARK.c
+++ b/net/netfilter/xt_SECMARK.c
@@ -55,7 +55,7 @@
 {
 	int err;
 	struct xt_secmark_target_selinux_info *sel = &info->u.sel;
-	
+
 	sel->selctx[SECMARK_SELCTX_MAX - 1] = '\0';
 
 	err = selinux_string_to_sid(sel->selctx, &sel->selsid);