netfilter: nf_nat_helper: tidy up adjust_tcp_sequence

The variable 'other_way' gets initialized but is not read afterwards,
so remove it.  Pass the right arguments to a pr_debug call.

While being at tidy up a bit and it fix this checkpatch warning:
  WARNING: suspect code indent for conditional statements
Signed-off-by: Hannes Eder <heder@google.com>
Signed-off-by: Patrick McHardy <kaber@trash.net>

net/ipv4/netfilter/nf_nat_helper.c

@@ -41,18 +41,14 @@ adjust_tcp_sequence(u32 seq,
 		    struct nf_conn *ct,
 		    enum ip_conntrack_info ctinfo)
 {
-	int dir;
-	struct nf_nat_seq *this_way, *other_way;
+	enum ip_conntrack_dir dir = CTINFO2DIR(ctinfo);
 	struct nf_conn_nat *nat = nfct_nat(ct);
+	struct nf_nat_seq *this_way = &nat->seq[dir];
 
-	pr_debug("adjust_tcp_sequence: seq = %u, sizediff = %d\n", seq, seq);
-
-	dir = CTINFO2DIR(ctinfo);
-
-	this_way = &nat->seq[dir];
-	other_way = &nat->seq[!dir];
+	pr_debug("adjust_tcp_sequence: seq = %u, sizediff = %d\n",
+		 seq, sizediff);
 
-	pr_debug("nf_nat_resize_packet: Seq_offset before: ");
+	pr_debug("adjust_tcp_sequence: Seq_offset before: ");
 	DUMP_OFFSET(this_way);
 
 	spin_lock_bh(&nf_nat_seqofs_lock);
@@ -69,7 +65,7 @@ adjust_tcp_sequence(u32 seq,
 	}
 	spin_unlock_bh(&nf_nat_seqofs_lock);
 
-	pr_debug("nf_nat_resize_packet: Seq_offset after: ");
+	pr_debug("adjust_tcp_sequence: Seq_offset after: ");
 	DUMP_OFFSET(this_way);
 }