[PATCH v4 2/6] box: rework box_lua_{call, eval} to use input port

[Vladimir Davydov]

On Sun, Jun 23, 2019 at 04:57:53PM +0300, Kirill Shcherbatov wrote:
> diff --git a/src/box/func.h b/src/box/func.h
> index fa4d738ab..f6494d064 100644
> --- a/src/box/func.h
> +++ b/src/box/func.h
> @@ -42,6 +42,9 @@
>  extern "C" {
>  #endif /* defined(__cplusplus) */
>  
> +struct func;
> +struct lua_State;
> +

Pointless forward declarations. Removed them and pushed the patch to
master.