Make sure the audio system is initialized when a file is passed direc…

…tly before starting a file directly.

xaudio2 CreateMasteringVoice "call crashes with with exception coinitialize has not been called".
This fixes that.

src/xenia/apu/xaudio2/xaudio2_audio_driver.cc

@@ -110,6 +110,10 @@ bool XAudio2AudioDriver::Initialize() {
   config.LogFileline = TRUE;
   audio_->SetDebugConfiguration(&config);
 
+  // Make sure the audio is initilized
+  hr = audio_->StartEngine();
+  CoInitialize(nullptr);
+
   hr = audio_->CreateMasteringVoice(&mastering_voice_);
   if (FAILED(hr)) {
     XELOGE("CreateMasteringVoice failed with %.8X", hr);