Mistake comment of AvatarChat sample

[shinriyo]

Hi there

It is not serious bug but, I found mistook comment.
In the NetworkController.cs 79 line.

I found "// Let the application be running whyle the window is not active."
it is wh"i"le, not wh"y"le.

Thank you

[tcarr]

I'll make a note to fix that.

[shinriyo]

Hi tcarr

great!
Thanks for fixing.