Winealsa: Add alsa 1.0 support

[Sylvain Petreolle]

This patch is almost complete, one macro hasnt been rewritten yet.

alsa09.diff must be applied to allow compilation with alsa 0.9.

Please test it with alsa 0.9 or 1.0 and give me the result.

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Sylvain Petreolle (spetreolle_at_users_dot_sourceforge_dot_net)
 ICQ #170597259
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