sha1_file: convert read_object_with_reference to object_id

diff --git a/builtin/pack-objects.c b/builtin/pack-objects.c
index 66bc0057fe697fd7db15009f389a28a0ee319d62..a0ccbf6699fdf594e48ab60ebe819efaf0983ffc 100644 (file)
--- a/builtin/pack-objects.c
+++ b/builtin/pack-objects.c
@@ -1351,7 +1351,7 @@ static void add_preferred_base(struct object_id *oid)
        if (window <= num_preferred_base++)
                return;
 
-       data = read_object_with_reference(oid->hash, tree_type, &size, tree_oid.hash);
+       data = read_object_with_reference(oid, tree_type, &size, &tree_oid);
        if (!data)
                return;