WASAPI: Fix a bug introduced in the previous commit.

This was resulting in a loop consuming 100% of the CPU.

miniaudio.h

@@ -15668,10 +15668,7 @@ static ma_result ma_device_audio_thread__wasapi(ma_device* pDevice)
                     break;
                 }
 
-                if (framesAvailablePlayback < pDevice->wasapi.periodSizeInFramesPlayback) {
-                    continue;   /* No space available. */
-                }
-
+                if (framesAvailablePlayback >= pDevice->wasapi.periodSizeInFramesPlayback) {
                     /* Map a the data buffer in preparation for the callback. */
                     hr = ma_IAudioRenderClient_GetBuffer((ma_IAudioRenderClient*)pDevice->wasapi.pRenderClient, framesAvailablePlayback, &pMappedDeviceBufferPlayback);
                     if (FAILED(hr)) {
@@ -15695,6 +15692,7 @@ static ma_result ma_device_audio_thread__wasapi(ma_device* pDevice)
                     }
 
                     framesWrittenToPlaybackDevice += framesAvailablePlayback;
+                }
 
                 if (!c89atomic_load_8(&pDevice->wasapi.isStartedPlayback)) {
                     hr = ma_IAudioClient_Start((ma_IAudioClient*)pDevice->wasapi.pAudioClientPlayback);