[filter/replay.c] fixed overflow in computing total weight of heaviest columns
[filter/replay.c] fixed overflow in computing total weight of heaviest columns

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