Merge branch 'bpf-samples-skb_mode-bug-fixes'

Jesper Dangaard Brouer says:

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samples/bpf: two bug fixes to XDP_FLAGS_SKB_MODE attaching

Two small bugfixes for:
 commit 3993f2cb

 ("samples/bpf: Add support for SKB_MODE to xdp1 and xdp_tx_iptunnel")
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Signed-off-by: David S. Miller <davem@davemloft.net>