kernel: shim-eth: fix TX accounting on dev_queue_xmit() drop
kernel: shim-eth: fix TX accounting on dev_queue_xmit() drop

The accounting cannot be fixed in case of RL_SKB, as the rb
pointer is not valid anymore.

vmaffione/rlite,autrimpo/rlite,vmaffione/rlite,autrimpo/rlite,autrimpo/rlite,autrimpo/rlite,vmaffione/rlite,vmaffione/rlite