[polyselect2.c] fixed problem with DEBUG defined in ropt.h
[polyselect2.c] fixed problem with DEBUG defined in ropt.h

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