[PATCH] dmusic: Add master clock tests.

[Andrew Eikum]

On Sun, Sep 23, 2012 at 08:44:59PM +0200, Christian Costa wrote:
> @@ -66,6 +68,11 @@ static void test_dmusic(void)
>          return;
>      }
>  
> +    hr = IDirectMusic_GetMasterClock(dmusic, &guid_clock, &clock);
> +    ok(hr == S_OK, "IDirectMusic_GetMasterClock returned: %x\n", hr);
> +    ok(clock != NULL, "No clock returned\n");
> +    trace("  guidPort = %s\n", debugstr_guid(&guid_clock));
> +

Minor nit-pick: you never release the clock.