winmm: fix WOD_Open() WAVE_MAPPER no-device case.

[Andrew Eikum]

On Tue, Aug 20, 2013 at 07:06:13PM +0200, Fabrice Bauzac wrote:
> +        if (g_inmmdevices_count == 0) {
> +    return MMSYSERR_BADDEVICEID;
> +        }

Looks like the indentation is bad here.

Also please submit the patch to wine-patches. Patches aren't picked up
from wine-devel.

Thanks for the fix!

Andrew