[Lazarus] Licensing info missing!?

[Reinier Olislagers]

Hi all,

($LazarusDir)/images does not contain any license info about the image
files that are there.
($LazarusDir)/COPYING.txt does not mention the license situation.

What are the licenses for the images in that directory?

Raised as
http://bugs.freepascal.org/view.php?id=23780

Thanks,
Reinier