Fix issue that was brought up in the original code for audiounit

Fix compiler error..

Author: mdsitton

src/cubeb_audiounit.cpp

@@ -2969,10 +2969,12 @@ static int
 audiounit_stream_get_position(cubeb_stream * stm, uint64_t * position)
 {
   assert(stm);
-  if (stm->current_latency_frames > stm->frames_played) {
+  uint32_t latency_frames = stm->total_output_latency_frames + cubeb_resampler_latency(stm->resampler.get())
+
+  if (latency_frames > stm->frames_played) {
     *position = 0;
   } else {
-    *position = stm->frames_played - (stm->current_latency_frames + cubeb_resampler_latency(stm->resampler.get()));
+    *position = stm->frames_played - latency_frames;
   }
   return CUBEB_OK;
 }

src/cubeb_wasapi.cpp

@@ -2647,7 +2647,7 @@ int wasapi_stream_get_latency(cubeb_stream * stm, uint32_t * latency)
 
   // This happens on windows 10: no error, but always 0 for latency.
   if (latency_hns == 0) {
-     double delay_s = current_stream_delay(stm));
+     double delay_s = current_stream_delay(stm);
      // convert to output(mix) rate sample-frames
      *latency = (delay_s * stm->output_mix_params.rate) + resample_latency;
   } else {