man: fix io_uring_sqe alignment
man: fix io_uring_sqe alignment

Tabs make man to go crazy, replace them with spaces where it haven't
been done yet.

Signed-off-by: Pavel Begunkov <8608d41fe50396a9dbd36e830be65ba791e26c05@gmail.com>
Link: https://lore.kernel.org/r/82fb889efbf3a7138a564eb10ce7c14d04227701.1630175370.git.8608d41fe50396a9dbd36e830be65ba791e26c05@gmail.com
Signed-off-by: Jens Axboe <cd8c6775e60d6f67a6984377324e5290df3d5358@kernel.dk>

axboe/liburing,axboe/liburing,axboe/liburing