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svn:author
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hiren
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svn:date
V 27
2018-12-15T17:01:16.776287Z
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svn:log
V 300
Revert r331567 CC Cubic: fix underflow for cubic_cwnd()

This change is causing TCP connections using cubic to hang. Need to dig more to
find exact cause and fix it.

Reported by:	tj at mrsk dot me, Matt Garber (via twitter)
Discussed with:	sbruno (previously), allanjude, cperciva
MFC after:	3 days

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