I've found some code that I've posted online that has a BSD license published in a supplementary material of a different group in a high impact journal. The authors have replaced the name on the license with one of the co-author's names and added a header on my code. They weren't too careful and didn't delete my name and email some lines below that header. I've contacted the corresponding author that promised me that he'll contact the publisher to correct it and nothing has happened in the past 3 months or so.
What would you do?
EDIT - Update.... It took 6 months from the moment I contacted the authors, and 3 months after I contacted the publisher to issue a Correction\Corrigendum that gave me credit for my code.*