Use Array.create instead of Array.init in hashtable resizing

[madroach]

diff --git src/hashtbl.ml src/hashtbl.ml
index 1c18784..b0371c8 100644
--- src/hashtbl.ml
+++ src/hashtbl.ml
@@ -102,7 +102,7 @@ let maybe_resize_table t =
     let new_array_length = Int.min (len * 2) max_table_length in
     if new_array_length > len then begin
       let new_table =
-        Array.init new_array_length ~f:(fun _ -> Avltree.empty)
+        Array.create new_array_length Avltree.empty
       in
       let old_table = t.table in
       t.table <- new_table;

[ghost]

Thanks, I imported the patch