Function silc_sftp_setstat
SYNOPSIS
void silc_sftp_setstat(SilcSFTP sftp,
const char *path,
SilcSFTPAttributes attrs,
SilcSFTPStatusCallback callback,
void *context);
DESCRIPTION
Sets a file attributes to a file indicated by the `path' with the
attributes indicated by the `attrs'. Calls the `callback' to indicate
the status of the setting.