io_uring/net: fix indentation

Fix up indentation before we get complaints from tooling.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/bd5754e3764215ccd7fb04cd636ea9167aaa275d.1661342812.git.asml.silence@gmail.com


Signed-off-by: Jens Axboe <axboe@kernel.dk>