Trying to build on Odroid C4 fails
Hi,

I run Debian 11 on this board, and I see this when trying to do an SDL2 build:

```
In file included from /home/manuel/src/fake-08/platform/SDL2Desktop/../../source/cart.h:5,
                 from /home/manuel/src/fake-08/platform/SDL2Desktop/../../source/cart.cpp:12:
/home/manuel/src/fake-08/platform/SDL2Desktop/../../source/graphics.h:7:10: fatal error: fix32.h: No such file or directory
    7 | #include <fix32.h>
      |          ^~~~~~~~~

```

Same happens on x86_64. Any idea on what's going on?? Thanks!