I think sshgss.h needs puttyps.h for Ssh_gss_buf. Makes it compile for Windows,

[u/mdw/putty] / be_none.c

/*
 * Linking module for programs that do not support selection of backend
 * (such as pscp or pterm).
 */

#include <stdio.h>
#include "putty.h"

Backend *backends[] = {
    NULL
};