libsg: Correct structs for big endian
libsg: Correct structs for big endian

The structures sg_t10_vpd83_dp_header and _sg_t10_vpd83_naa_header
did not account for big endianess.

Found by testing on 16 year old hardware :-)

Signed-off-by: Tony Asleson <1ef2d381aa56d512126ddaacc29e68136e4fdf55@redhat.com>

libstorage/libstoragemgmt,libstorage/libstoragemgmt,tasleson/libstoragemgmt,libstorage/libstoragemgmt,libstorage/libstoragemgmt,tasleson/libstoragemgmt,libstorage/libstoragemgmt,tasleson/libstoragemgmt,tasleson/libstoragemgmt,tasleson/libstoragemgmt