message: AudioOffset: remove unneeded *in
diff: #include "AudioOffset_F32.h"
  void AudioOffset_F32::update(void) {
  - audio_block_f32_t *block, *in;
  + audio_block_f32_t *block;
  block = AudioStream_F32::receiveWritable_f32(0);
  if (!block) return;
  