[usp10] Fix return-codes of ScriptGetFontProperties (resend)

[Joris Huizer]

Paul Vriens wrote:
> +    /* Now a NULL hdc again */
> +    hr = ScriptGetFontProperties(NULL,&psc,&sfp);
> +    /* Save the psc pointer */
> +    old_psc = psc;
> +    ok( hr == S_OK, "(NULL,&psc,&sfp), expected S_OK, got %08x\n", (unsigned int)hr);
> +    ok( psc == old_psc, "Expected psc not to be changed, was %p is now %p\n", old_psc, psc);
> +    ScriptFreeCache(&psc);
> +    ok( psc == NULL, "Expected psc to be NULL, got %p\n", psc);

actually You didn't test anything about psc here, after setting old_psc 
nothing happens with psc -- save the pointer before calling 
ScriptGetFontProperties(NULL,&psc,&sfp);

HTH,

Joris