[misc.c] yet another try to get the page size under Windows
[misc.c] yet another try to get the page size under Windows

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