nat: fix byte order on ipfix message fields
nat: fix byte order on ipfix message fields

Type: fix

The code for quota exceeded events is a u32 and was being copied
into ipfix packets in host byte order. Same for the limit field.

Swap the order before copying into packet buffer.

Change-Id: I881766e1c52acc9bebde38d85228fa492214ee21
Signed-off-by: Matthew Smith <52a1745bd9fd6c0a26d8c7252aafb349bbdbd656@netgate.com>

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