Recent patch to support UDP encapsulation introduced problem with
handling inbound IPv6 packets with header extensions.
This patch aims to fix the issue.
Bugzilla ID: 695
Fixes: 9a1cc8f1ed74 ("examples/ipsec-secgw: support UDP encapsulation")
Reported-by: Vladimir Medvedkin <vladimir.medvedkin@intel.com>
Signed-off-by: Konstantin Ananyev <konstantin.ananyev@intel.com>
Acked-by: Akhil Goyal <gakhil@marvell.com>