Use getDeviceIds function to list audio devices

As of RtAudio 6.0.0 you cannot assume that devices will fall in the
range [0, getDeviceCount() - 1]. Doing so will potentially cause errors
or out of bounds array accesses depending on the platform.

libs/openFrameworks/sound/ofRtAudioSoundStream.cpp

@@ -80,9 +80,8 @@ std::vector<ofSoundDevice> ofRtAudioSoundStream::getDeviceList(ofSoundDevice::Ap
 		if(audioTemp.getCurrentApi()!=rtAudioApi && rtAudioApi!=RtAudio::Api::UNSPECIFIED){
 			return deviceList;
 		}
-		auto deviceCount = audioTemp.getDeviceCount();
 		RtAudio::DeviceInfo info;
-		for (unsigned int i = 0; i < deviceCount; i++) {
+		for (unsigned int i: audioTemp.getDeviceIds()) {
 			try {
 				info = audioTemp.getDeviceInfo(i);
 			}