[head tinderbox] failure on i386/pc98

[YAMAMOTO Shigeru]

> /src/sys/dev/ixgbe/ixgbe.h:385: error: duplicate member 'advertise'

'advertise' is added at r209607 and r209609.

please chone one of them.

Thanks,
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YAMAMOTO Shigeru	<shigeru at iij.ad.jp>