mlxsw: spectrum_dpipe: Fix entries dump of the adjacency table

During the dump the per netlink packet entry counter should be zeroed out
when new packet is created.

Fixes: 190d38a52a73 ("mlxsw: spectrum_dpipe: Add support for adjacency table dump")
Signed-off-by: Arkadi Sharshevsky <arkadis@mellanox.com>
Reported-by: David Ahern <dsahern@gmail.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/mellanox/mlxsw/spectrum_dpipe.c

@@ -1093,6 +1093,7 @@ start_again:
 		goto err_ctx_prepare;
 	j = 0;
 	nh_skip = nh_count;
+	nh_count = 0;
 	mlxsw_sp_nexthop_for_each(nh, mlxsw_sp->router) {
 		if (!mlxsw_sp_nexthop_offload(nh) ||
 		    mlxsw_sp_nexthop_group_has_ipip(nh))