dpdk-ipsec: Fix for multipoint IPSEC
dpdk-ipsec: Fix for multipoint IPSEC

Type: fix

fetch the sa_index from the correct location

Change-Id: I351035ee0226c47585995ff9122320fd5c73ec53
Signed-off-by: Neale Ranns <b9c0e9ef0223633bc2f318425f615cf5840a0be7@cisco.com>

chrisy/vpp,chrisy/vpp,chrisy/vpp,chrisy/vpp,FDio/vpp,FDio/vpp,chrisy/vpp,FDio/vpp,FDio/vpp,chrisy/vpp,FDio/vpp,FDio/vpp,FDio/vpp,FDio/vpp,chrisy/vpp,chrisy/vpp