Update upstream source from tag 'upstream/3.6.6'
authorGert Wollny <gewo@debian.org>
Fri, 9 Apr 2021 07:47:07 +0000 (09:47 +0200)
committerGert Wollny <gewo@debian.org>
Fri, 9 Apr 2021 07:47:07 +0000 (09:47 +0200)
Update to upstream version '3.6.6'
with Debian dir 638f12f9ab7e806f872d2448d9a2b2e92d3ba00b


Trivial merge