Lib: add caml_list_to/of_js_array back to the c stubs, fix #1028

Author: hhugo

lib/js_of_ocaml/js.ml

@@ -771,4 +771,8 @@ module For_compatibility_only = struct
   external caml_js_to_byte_string : js_string t -> string = "caml_js_to_byte_string"
 
   external caml_js_to_string : js_string t -> string = "caml_js_to_string"
+
+  external caml_list_of_js_array : 'a js_array t -> 'a list = "caml_list_of_js_array"
+
+  external caml_list_to_js_array : 'a list -> 'a js_array t = "caml_list_to_js_array"
 end

lib/js_of_ocaml/js_of_ocaml_stubs.c

@@ -192,6 +192,14 @@ void caml_list_mount_point () {
   fprintf(stderr, "Unimplemented Javascript primitive caml_list_mount_point!\n");
   exit(1);
 }
+void caml_list_of_js_array () {
+  fprintf(stderr, "Unimplemented Javascript primitive caml_list_of_js_array!\n");
+  exit(1);
+}
+void caml_list_to_js_array () {
+  fprintf(stderr, "Unimplemented Javascript primitive caml_list_to_js_array!\n");
+  exit(1);
+}
 void caml_ml_set_channel_output () {
   fprintf(stderr, "Unimplemented Javascript primitive caml_ml_set_channel_output!\n");
   exit(1);