[cadofct.pm] check bwc_mn is 64 or 128
[cadofct.pm] check bwc_mn is 64 or 128

mancoast/cado-nfs,mancoast/cado-nfs,mancoast/cado-nfs,mancoast/cado-nfs,mancoast/cado-nfs,mancoast/cado-nfs,mancoast/cado-nfs