[DECNET]: Don't clear memory twice.

When dn_neigh.c was converted from kmalloc to kzalloc in commit
0da974f4f303a6842516b764507e3c0a03f41e5a it was missed that
dn_neigh_seq_open was actually clearing the allocation twice was
missed.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/decnet/dn_neigh.c b/net/decnet/dn_neigh.c
index ff0ebe9..7322bb3 100644
--- a/net/decnet/dn_neigh.c
+++ b/net/decnet/dn_neigh.c
@@ -591,7 +591,6 @@
 
 	seq          = file->private_data;
 	seq->private = s;
-	memset(s, 0, sizeof(*s));
 out:
 	return rc;
 out_kfree: