[PATCH] libata: cosmetic change in struct ata_port

Cosmetic change in struct ata_port.
Signed-off-by: NTejun Heo <htejun@gmail.com>

include/linux/libata.h

@@ -520,7 +520,8 @@ struct ata_port {
 	struct ata_host_set	*host_set;
 	struct device 		*dev;
 
-	struct work_struct	port_task, hotplug_task;
+	struct work_struct	port_task;
+	struct work_struct	hotplug_task;
 
 	unsigned int		hsm_task_state;