winealsa.drv patch to enum all software devices from .asoundrc

[Нискородов Серёжа]

> snd_ctl_name_hint() and friends:
> +Includes user-specified, non-hw devices as well as true hw devices, but:
> -Misses devices without 'hint' configs (Arch had this problem until a few weeks ago, other distros?)

In my Ubuntu 11.04 snd_ctl_name_hint() lists all my devices, that I
described in .asoundrc without 'hint' described.