Snippets for fluidsynth 2.5.6 from Nix x86_64-linux

Sourced from https://hydra.nixos.org/log/wyb90qzpz1smqh1ifwj32q3njzkzzavl-fluidsynth-2.5.6.drv.

• /build/source/src/utils/fluidsynth_priv.h:328:38: warning: 'item.chr' may be used uninitialized [-Wmaybe-uninitialized]
    328 | #define FLUID_LOG                    fluid_log
  

• /build/source/src/midi/fluid_midi.c:2578:5: warning: 'fluid_player_set_midi_tempo' is deprecated [-Wdeprecated-declarations]
   2578 |     return fluid_player_set_midi_tempo(player, 60000000L / bpm);
        |     ^~~~~~