André Offringa

Fix various compiler warnings

1

These solve warnings when compiled with gcc 14 using a set of warnings enabled that we use in one of our projects: -Wall -Wnon-virtual-dtor -Wzero-as-null-pointer-constant -Wduplicated-branches -Wundef -Wvla -Wpointer-arith -Wextra...

Hi! I'm quite impressed by BeatNet. I was wondering if it is possible to use BeatNet from C++?

Fixes #1982. (The use of macro's like this might be reconsidered as well, it's not very C++-ish.)

e.g. right click on fixture, chose assign