New upstream version of Veusz 3.2.1

[Jeremy Sanders <jeremy@jeremysanders.net>]

Hi -

I've updated the Veusz package to 3.2.1. This should fix this bug: 
https://bugs.debian.org/945467

I've also made the package to copy rather than symlink the icons for the 
problem reported here: 
https://appstream.debian.org/sid/main/issues/veusz.html

Would it be possible for someone to take a look and upload it if it's 
ok, please?

Thanks

Jeremy