wldap32/tests: modify test that was failing on every windows system

[Hans Leidekker]

On Tuesday 21 October 2008 14:29:45 Aric Stewart wrote:

> -    ok( !ret, "ldap_search_ext_sA failed 0x%x\n", ret );
> +    ok( ret==0x55 || ret == 0x51, "ldap_search_ext_sA unexpected return 0x%x\n", ret );

This should be fixed by my last patch already.

 -Hans