Perform read access to Windows dump header fields via helper macros.
This is preparation for the next 32-bit guest Windows dump support.
Signed-off-by: NViktor Prutyanov <viktor.prutyanov@redhat.com>
Reviewed-by: NMarc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20220406171558.199263-3-viktor.prutyanov@redhat.com>