[utils/gzip.c] increase pipe capacity to 2^20 (patch from Alain Filbois)
[utils/gzip.c] increase pipe capacity to 2^20 (patch from Alain Filbois)

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