the OPEN_MAX define has been removed in newer kernel headers so use the
proper method of getting the value dynamically
http://bugs.gentoo.org/195861
--- a/rdisc.c+++ b/rdisc.c@@ -247,7 +247,7 @@ void do_fork(void) if ((pid=fork()) != 0)
exit(0);
- for (t = 0; t < OPEN_MAX; t++)+ for (t = 0; t < sysconf(_SC_OPEN_MAX); t++) if (t != s)
close(t);