Fix compiler error in audiounit backend

Author: mdsitton

src/cubeb_audiounit.cpp

@@ -2969,7 +2969,7 @@ static int
 audiounit_stream_get_position(cubeb_stream * stm, uint64_t * position)
 {
   assert(stm);
-  uint32_t latency_frames = stm->total_output_latency_frames + cubeb_resampler_latency(stm->resampler.get())
+  uint32_t latency_frames = stm->total_output_latency_frames + cubeb_resampler_latency(stm->resampler.get());
 
   if (latency_frames > stm->frames_played) {
     *position = 0;