nautilus-gio build failure

nautilus-program-choosing.c: In function 'nautilus_launch_application':
nautilus-program-choosing.c:573: warning: passing argument 3 of
'g_app_info_launch' from incompatible pointer type
make[2]: *** [nautilus-program-choosing.lo] Error 1
make[2]: Leaving directory
`/home/luca/svn/gnome2/nautilus-gio/libnautilus-private'


g_app_info_launch  (GAppInfo *appinfo,
                    GList *files,
                    const char *startup_id,
                    GError **error);


in nautilus-program-choosing.c (nautilus-launch-application) we have

        error = NULL;
        result = g_app_info_launch (application,
        			    locations,
        			    envp,
        			    &error);
        
where 

        char  **envp;