Make use of EMSCRIPTEN_KEEPALIVE consistent with documentation.

Unlikely fix for https://github.com/dr-soft/miniaudio/issues/134

miniaudio.h

@@ -27110,7 +27110,7 @@ static ma_bool32 ma_is_capture_supported__webaudio()
 #ifdef __cplusplus
 extern "C" {
 #endif
-EMSCRIPTEN_KEEPALIVE void ma_device_process_pcm_frames_capture__webaudio(ma_device* pDevice, int frameCount, float* pFrames)
+void EMSCRIPTEN_KEEPALIVE ma_device_process_pcm_frames_capture__webaudio(ma_device* pDevice, int frameCount, float* pFrames)
 {
     if (pDevice->type == ma_device_type_duplex) {
         ma_device__handle_duplex_callback_capture(pDevice, (ma_uint32)frameCount, pFrames, &pDevice->webaudio.duplexRB);
@@ -27119,7 +27119,7 @@ EMSCRIPTEN_KEEPALIVE void ma_device_process_pcm_frames_capture__webaudio(ma_devi
     }
 }
 
-EMSCRIPTEN_KEEPALIVE void ma_device_process_pcm_frames_playback__webaudio(ma_device* pDevice, int frameCount, float* pFrames)
+void EMSCRIPTEN_KEEPALIVE ma_device_process_pcm_frames_playback__webaudio(ma_device* pDevice, int frameCount, float* pFrames)
 {
     if (pDevice->type == ma_device_type_duplex) {
         ma_device__handle_duplex_callback_playback(pDevice, (ma_uint32)frameCount, pFrames, &pDevice->webaudio.duplexRB);