2013-11-22  Bryan Dunsmore <dunsmoreb@gmail.com>

	* libc/include/sys/time.h (gettimeofday): Add restrict keyword.
	(setitimer): Likewise.
	* libc/sys/rdos/gettod.c (gettimeofday): Likewise.
	* libc/sys/rtems/crt0.c (gettimeofday): Likewise.