appletalk:: da.s_net not copied but assigned to itself in aarp_rcv()

da.s_net was not copied but assigned to itself.

Signed-off-by: Roel Kluin <[e-mail]>
Acked-by: Arnaldo Carvalho de Melo <[e-mail]>
Signed-off-by: David S. Miller <[e-mail]>

net/appletalk/aarp.c

···
 				ma = &ifa->address;
 			else { /* We need to make a copy of the entry. */
 				da.s_node = sa.s_node;
-				da.s_net = da.s_net;
+				da.s_net = sa.s_net;
 				ma = &da;
 			}