hselasky 4109c91af2 Stop USB audio transfers early so that any audio applications
will time out and close opened /dev/dspX.Y device(s), if
any. This is a workaround because we cannot unregister PCM
devices while the audio character device is in use.

Add a missing inclusion guard.

MFC after:	1 weeks
2011-12-14 00:48:20 +00:00
..
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