* sysdeps/unix/sysv/dl-osinfo.h: Include errno.h, hp-timing.h,

	endian.h.
	(_dl_setup_stack_chk_guard): Even without
	--enable-stackguard-randomization attempt to do some guard
	randomization using hp-timing (if available) and kernel stack and
	mmap randomization.
	* elf/tst-stackguard1.c (do_test): Don't fail if the poor man's
	randomization doesn't work well enough.
nptl/
	* tst-stackguard1.c (do_test): Don't fail if the poor man's
	randomization doesn't work well enough.