Description of problem:
Since OPEN_MAX can be modified during runtime, its definition was removed from libc.


How reproducible:
always

Steps to Reproduce:
1. try to compile in fc8
2.
3.
  
Actual results:
rdisc.c: In function 'do_fork':
rdisc.c:250: error: 'OPEN_MAX' undeclared (first use in this function)
rdisc.c:250: error: (Each undeclared identifier is reported only once
rdisc.c:250: error: for each function it appears in.)
make: *** [rdisc] Error 1

Expected results:
smooth compilation

Additional info: