msi: Fix testfailure on some 2k3 machines

[Hans Leidekker]

On Sun, 2010-12-12 at 22:44 +0100, André Hentschel wrote:

>      r = MsiOpenProductA(prodcode, &hprod);
> -    ok(r == ERROR_INSTALL_PACKAGE_OPEN_FAILED || r == ERROR_SUCCESS,
> -       "Expected ERROR_INSTALL_PACKAGE_OPEN_FAILED or ERROR_SUCCESS, got %d\n", r);
> +    ok(r == ERROR_INSTALL_PACKAGE_OPEN_FAILED || ERROR_INSTALL_PACKAGE_REJECTED || r == ERROR_SUCCESS,
> +       "Expected ERROR_INSTALL_PACKAGE_OPEN_FAILED, ERROR_INSTALL_PACKAGE_REJECTED or ERROR_SUCCESS, got %d\n", r);

ERROR_INSTALL_PACKAGE_REJECTED means the user has insufficient rights.
Look at how action.c handles this error, for example.