[SCSI] ibmvfc: Improve ibmvfc_async_desc memory layout

By changing field ordering we can avoid a couple of memory holes in
the tables that use the ibmvfc_async_desc structure.

Signed-off-by: Robert Jennings <rcj@linux.vnet.ibm.com>
Acked-by: Brian King <brking@linux.vnet.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
diff --git a/drivers/scsi/ibmvscsi/ibmvfc.h b/drivers/scsi/ibmvscsi/ibmvfc.h
index ef663e7..834c37f 100644
--- a/drivers/scsi/ibmvscsi/ibmvfc.h
+++ b/drivers/scsi/ibmvscsi/ibmvfc.h
@@ -542,8 +542,8 @@
 };
 
 struct ibmvfc_async_desc {
-	enum ibmvfc_async_event ae;
 	const char *desc;
+	enum ibmvfc_async_event ae;
 	int log_level;
 };