drbd: Initialize all members of sync_conf to their defaults [Bugz 315]

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c
index c6658f5..410d3d4 100644
--- a/drivers/block/drbd/drbd_main.c
+++ b/drivers/block/drbd/drbd_main.c
@@ -2689,7 +2689,8 @@
 		/* .verify_alg = */	{}, 0,
 		/* .cpu_mask = */	{}, 0,
 		/* .csums_alg = */	{}, 0,
-		/* .use_rle = */	0
+		/* .use_rle = */	0,
+		/* .on_no_data = */	DRBD_ON_NO_DATA_DEF
 	};
 
 	/* Have to use that way, because the layout differs between