net: Print functions in /proc/net/ptype without the offset.

It's always zero.
Signed-off-by: David S. Miller <davem@davemloft.net>

net/core/net-procfs.c

@@ -271,7 +271,7 @@ static int ptype_seq_show(struct seq_file *seq, void *v)
 		else
 			seq_printf(seq, "%04x", ntohs(pt->type));
 
-		seq_printf(seq, " %-8s %pF\n",
+		seq_printf(seq, " %-8s %pf\n",
 			   pt->dev ? pt->dev->name : "", pt->func);
 	}