[polyselect/polyselect2l.c] fixed typos and compilation warnings
[polyselect/polyselect2l.c] fixed typos and compilation warnings

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