Insert a node at the end

Insert a node at the end.go

func InsertAtEnd(head *Node, x int) *Node {
	tmp := Node{Next: nil, Data: x}
	current := head
	if head == nil {
		head = &tmp
	} else {
		for ; current.Next != nil; current = current.Next {
		}
		current.Next = &tmp
	}
	return head
}