kerneldoc fix in libata

Fix parameter name from ata_dev_reread_id() in libata-core.c for kerneldoc.

Signed-off-by: Henrik Kretzschmar <henne@nachtwindheim.de>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 3562812..adfae9d 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -3659,7 +3659,7 @@
 
 /**
  *	ata_dev_reread_id - Re-read IDENTIFY data
- *	@adev: target ATA device
+ *	@dev: target ATA device
  *	@readid_flags: read ID flags
  *
  *	Re-read IDENTIFY page and make sure @dev is still attached to