[SCSI] zfcp: Rename sbal_curr to sbal_last.

sbal_last is more appropriate, because it matches sbal_first.

Signed-off-by: Martin Peschke <mp3@de.ibm.com>
Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
diff --git a/drivers/s390/scsi/zfcp_dbf.h b/drivers/s390/scsi/zfcp_dbf.h
index 66b8754..212622c 100644
--- a/drivers/s390/scsi/zfcp_dbf.h
+++ b/drivers/s390/scsi/zfcp_dbf.h
@@ -97,7 +97,7 @@
 	u8 fsf_status_qual[FSF_STATUS_QUALIFIER_SIZE];
 	u32 fsf_req_status;
 	u8 sbal_first;
-	u8 sbal_curr;
+	u8 sbal_last;
 	u8 pool;
 	u64 erp_action;
 	union {