Can't unlock item when canceling edit

Hello,

Using FLEXIcontent version 1.5.3c stable (r354),

I do the following:
1 - edit an item with user A
2 - cancel the edition
3 - try to edit the item with user B

Problem: the item is still locked.

Looking at the code, I think it can be fixed by changing line: by in file components/com_flexicontent/controller.php line 301.

So far it works for me.

Does this fix look ok to you?

Regards.