It was something like that, yes, but, seriously, she just couldn't kill him! It's just impossible! Harry is the hero and he will win, and they will all live happily ever after! And don't tell me he'll die or I'll cry!
Seriously, I think the worst thing that could happen is that Harry will come to the conclusion that in order to kill Voldemort, he has to kill himself, be ready to the ultimate sacrifice, but suddenly somebody else will take his place and sacrifice himself in order for Harry to live (Not Sirius again! Pleaaase!
). He's young, he's brilliant, he's the hero, he can't be sacrificed!