coreaudio: Remove unnecessary explicit casts

coreaudio had unnecessary explicit casts and they had extra whitespaces
around them so remove them.

Signed-off-by: Akihiko Odaki <odaki@rsg.ci.i.u-tokyo.ac.jp>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-ID: <20260304-coreaudio-v8-1-bf1d40731e73@rsg.ci.i.u-tokyo.ac.jp>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>

audio/coreaudio.m

@@ -310,7 +310,7 @@ static OSStatus audioDeviceIOProc(
     UInt32 frameCount, pending_frames;
     void *out = outOutputData->mBuffers[0].mData;
     HWVoiceOut *hw = hwptr;
-    coreaudioVoiceOut *core = (coreaudioVoiceOut *) hwptr;
+    coreaudioVoiceOut *core = hwptr;
     size_t len;
 
     if (coreaudio_buf_lock (core, "audioDeviceIOProc")) {
@@ -394,11 +394,11 @@ static OSStatus init_out_device(coreaudioVoiceOut *core)
     }
 
     if (frameRange.mMinimum > core->frameSizeSetting) {
-        core->audioDevicePropertyBufferFrameSize = (UInt32) frameRange.mMinimum;
+        core->audioDevicePropertyBufferFrameSize = frameRange.mMinimum;
         warn_report("coreaudio: Upsizing buffer frames to %f",
                     frameRange.mMinimum);
     } else if (frameRange.mMaximum < core->frameSizeSetting) {
-        core->audioDevicePropertyBufferFrameSize = (UInt32) frameRange.mMaximum;
+        core->audioDevicePropertyBufferFrameSize = frameRange.mMaximum;
         warn_report("coreaudio: Downsizing buffer frames to %f",
                     frameRange.mMaximum);
     } else {