Handle COW on copyout() if the destination region is marked as COW

[OlliV]

zeke/kern/vm.c

Lines 102 to 106 in 9524dad

	int copyout_proc(struct proc_info * proc, __kernel const void * kaddr,
	__user void * uaddr, size_t len)
	{
	/* TODO Handle possible cow flag? */
	void * phys_uaddr;