Bug#967719: fixed in qtractor 0.9.21-1

[Bastian Germann]

Control: unblock 967497 by -1

On Sat, 23 Sep 2023 18:59:59 +0200 Bastian Germann <b...@debian.org> wrote:

I have added a commit that disables the GTKMM2 support, which can at least 
unblock #967497.