Mac OS X host: support driver: partly reverted r94103: reduced amount of logging, but kept release logging when openning IOService.

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Merged in iprt++ dev branch.

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build fix

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build fix

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shut up stupid gcc warnings.

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attempt at cursing weird -Wattributes warning.

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Missing check.

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build fixes

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build fixes

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build fix

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duh

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warning

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warning

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fixed bug

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bugfix

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build fix

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build fix

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Merge fix

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bugfix

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More correct fix

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