This patch fixes the sign of an error value returned by
lll_futex_timed_wait_bitset for AArch64.

/Marcus

2012-11-21  Marcus Shawcroft  <marcus.shawcroft@linaro.org>

	* sysdeps/unix/sysv/linux/aarch64/nptl/lowlevellock.h
	(lll_futex_timed_wait_bitset): Remove INTERNAL_SYSCALL_ERROR_P.