EllisLab/CodeIgniter — pull request #3169 by Patroklo (2014-08-06 18:07:50+00:00)
Title: Change name didn't work if reset initialization it's true

If user initializes the upload library with the reset flag as true, the
uploaded file doesn't change it's name, it's neccesary to initialize or
change the $_file_name_override every time.