Re: [PATCH v2 2/4] builtin-status: submodule summary support

> +	memset(&sm_summary, 0, sizeof(sm_summary));
> +	sm_summary.argv = argv;
> +	sm_summary.env = env;
> +	sm_summary.git_cmd = 1;
> +	sm_summary.no_stdin = 1;
> +	fflush(s->fp);
> +	sm_summary.out = dup(fileno(s->fp));    /* run_command closes it */

>  	wt_status_print_changed(s);
> +	// must flush s->fp since following call will write to s->fp in a child process
> +	fflush(s->fp);
> +	wt_status_print_submodule_summary(s);
>  	wt_status_print_untracked(s);