get used to it. all you can do is go with it and walk away. ok we're friends, talk later, type of attitude. and don't care. maybe she'll realize she kind of likes you, maybe she wont, but that's all you can do. don't play the game. i've learned that you have to give the girl an opportunity to shine and show you what's up. if she doesn't, she aint worth it.
most of the time that's all friend zoning is. she's just playin games making sure she has the power and makes the decisions. either that or you're ugly and she didn't have the balls to tell you straight up.