[Debian-med-packaging] Bug#746708: missing license in debian/copyright

[Thorsten Alteholz]

Package: invesalius
Version: 3.0~b5-1B
Severity: serious
User: alteholz at debian.org
Usertags: ftp
X-Debbugs-CC: ftpmaster at ftp-master.debian.org
thanks

Dear Maintainer,

please add the missing licenses of:
  invesalius3-3.0-b5\invesalius\gui\widgets\platebtn.py
to debian/copyright.

Thanks!
   Thorsten