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bz
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svn:date
V 27
2020-01-05T19:14:16.417681Z
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V 433
netgraph/ng_bridge: Reestablish old ABI

In order to be able to merge r353026 bring back support for the old
cookie API for a transition period in 12.x releases (and possibly 13)
before the old API can be removed again entirely.

Suggested by:	julian
Submitted by:	Lutz Donnerhacke (lutz donnerhacke.de)
PR:		240787
Reviewed by:	julian
MFC after:	2 weeks
X-MFC with:	r353026
Differential Revision:	https://reviews.freebsd.org/D21961

END