Merge branch 'ovs-mpls'

Jiri Benc says:

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openvswitch: mpls fix and clean up

Convert to the new mpls skb layout the last remaining place in openvswitch,
forgotten on the mpls GSO rework. The GSO rework also allows for some
cleanup in the third patch.
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Signed-off-by: David S. Miller <davem@davemloft.net>