The patch allows define CLONE_NEWPID for redhat-el5 to avoid error:
test_init.c:114: error: 'CLONE_NEWPID' undeclared (first use in this function)
Signed-off-by: Victor Konyashkin  <vkonyashkin@parallels.com>
Acked-by: Andrey Wagin <avagin@gmail.com>
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>