Adjust internal header dependencies
diff --git a/src/hb-array.hh b/src/hb-array.hh
index 3cce512..a07560f 100644
--- a/src/hb-array.hh
+++ b/src/hb-array.hh
@@ -28,13 +28,16 @@
#define HB_ARRAY_HH
#include "hb.hh"
+#include "hb-dsalgs.hh"
+#include "hb-iter.hh"
+#include "hb-null.hh"
template <typename Type>
struct hb_sorted_array_t;
template <typename Type>
-struct hb_array_t
+struct hb_array_t// : hb_iter_t<hb_array_t<Type>, Type>
{
typedef Type item_t;
enum { item_size = hb_static_size (Type) };