nvme: add new line after variable declatation

Add a new line in functions nvme_pr_preempt(), nvme_pr_clear(), and
nvme_pr_release() after variable declaration which follows the rest of
the code in the nvme/host/core.c.

No functional change(s) in this patch.
Signed-off-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>

drivers/nvme/host/core.c

@@ -2325,18 +2325,21 @@ static int nvme_pr_preempt(struct block_device *bdev, u64 old, u64 new,
 		enum pr_type type, bool abort)
 {
 	u32 cdw10 = nvme_pr_type(type) << 8 | (abort ? 2 : 1);
+
 	return nvme_pr_command(bdev, cdw10, old, new, nvme_cmd_resv_acquire);
 }
 
 static int nvme_pr_clear(struct block_device *bdev, u64 key)
 {
 	u32 cdw10 = 1 | (key ? 1 << 3 : 0);
+
 	return nvme_pr_command(bdev, cdw10, key, 0, nvme_cmd_resv_register);
 }
 
 static int nvme_pr_release(struct block_device *bdev, u64 key, enum pr_type type)
 {
 	u32 cdw10 = nvme_pr_type(type) << 8 | (key ? 1 << 3 : 0);
+
 	return nvme_pr_command(bdev, cdw10, key, 0, nvme_cmd_resv_release);
 }