recirculation: Adjust ovs_key_attr ABI
authorAndy Zhou <azhou@nicira.com>
Fri, 28 Mar 2014 20:36:28 +0000 (13:36 -0700)
committerAndy Zhou <azhou@nicira.com>
Fri, 28 Mar 2014 22:15:23 +0000 (15:15 -0700)
Jesse helped to clarify how to maintain the ABI. Making the
adjustment accordingly and add some comments.

Signed-off-by: Andy Zhou <azhou@nicira.com>
Acked-by: Jesse Gross <jesse@nicira.com>

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