nvme-fc: Fix sqsize wrong assignment based on ctrl MQES capability

both our sqsize and the controller MQES cap are a 0 based value,
so making it 1 based is wrong.

Reported-by: Trapp, Darren <[e-mail]>
Reported-by: Daniel Verkamp <[e-mail]>
Signed-off-by: Sagi Grimberg <[e-mail]>
Reviewed-by: Christoph Hellwig <[e-mail]>
Signed-off-by: Jens Axboe <[e-mail]>

drivers/nvme/host/fc.c

···
 	}
 
 	ctrl->ctrl.sqsize =
-		min_t(int, NVME_CAP_MQES(ctrl->cap) + 1, ctrl->ctrl.sqsize);
+		min_t(int, NVME_CAP_MQES(ctrl->cap), ctrl->ctrl.sqsize);
 
 	error = nvme_enable_ctrl(&ctrl->ctrl, ctrl->cap);
 	if (error)