[zircon] set ZBI version flag in appended ZBI items

Change-Id: I8b966d27a2fb25bea35f0e9b230bce72e23c36f8

common/image-zircon.c

diff --git a/common/image-zircon.c b/common/image-zircon.c
index e3562aa..eb8cdb8 100644
--- a/common/image-zircon.c
+++ b/common/image-zircon.c
@@ -15,7 +15,7 @@
 	dest->type = type;
 	dest->length = length;
 	dest->extra = extra;
-	dest->flags = 0;
+	dest->flags = ZBI_FLAG_VERSION;
 	dest->reserved0 = 0;
 	dest->reserved1 = 0;
 	dest->magic = ZBI_ITEM_MAGIC;