From: Charles Hardin <chardin@2wire.com>

Kernel needs to respond to an SADB_GET with the same message type to
conform to the RFC 2367 Section 3.1.5
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>