make: use the more modern wchar routines, not widec.h

@@ -197,11 +197,11 @@
          * If so, remove the dir and see if we know the date.
          */
         if (member->body.member.member != NULL) {
                 Wstring member_string(member->body.member.member);
                 wchar_t * wcb = member_string.get_string();
-                if((slash = (wchar_t *) wsrchr(wcb, (int) slash_char)) != NULL) {
+                if((slash = (wchar_t *) wcsrchr(wcb, (int) slash_char)) != NULL) {
                         INIT_STRING_FROM_STACK(true_member_name, buffer);
                         append_string(member->body.member.library->string_mb,
                                       &true_member_name,
                                       FIND_LENGTH);
                         append_char((int) parenleft_char, &true_member_name);

@@ -665,13 +665,13 @@
                                            1,
                                            arp->fd) != 1)) {
                                         goto read_error;
                                 }
                                 MBSTOWCS(wcs_buffer, arp->arf_5.arf_name);
-                                (void) wsncpy(member_string,
+                                (void) wcsncpy(member_string,
                                               wcs_buffer,
-                                              wslen(wcs_buffer));
+                                              wcslen(wcs_buffer));
                                 member_string[sizeof(arp->arf_5.arf_name)] =
                                                                 (int) nul_char;
                                 member->body.member.member =
                                         GETNAME(member_string, FIND_LENGTH);
                                 target->stat.time.tv_sec = sgetl(arp->arf_5.arf_date);