Fix order of object creation in fluidsynth binary
Fix order of object creation in fluidsynth binary

Fixes a use-after-free when the MIDI player is deleted before the audio
driver, because the synthesis thread is still actively making callbacks
on the sample timer, which is deleted by the player though.

FluidSynth/fluidsynth,FluidSynth/fluidsynth,FluidSynth/fluidsynth,FluidSynth/fluidsynth