[nadc_tools]
 * sdmf_pt_db.c: removed re-definition of external variable Use_Extern_Alloc
 * scia_lv1_patch_mds.c: removed re-definition of register variable np
 * Rules_prog.mk: removed rule to strip programs at installation
 * scia_lv1_free_mds.c: free cluster records when n_sig(c) larger than zero
 * scia_nl1: fixed memory corruption when patching and cluster selection is used