block: fix a comment in the queue_attrs[] array

queue_ra_entry uses limits_lock just like the attributes above it.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Reviewed-by: Nilay Shroff <nilay@linux.ibm.com>
Link: https://lore.kernel.org/r/20250312150127.703534-1-hch@lst.de


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