Completed bc2e8d99e5ae0dbd69e712cc71da3033f5f30139 so that windows can be built

drivers/wasapi/audio_driver_wasapi.cpp

@@ -214,7 +214,7 @@ void AudioDriverWASAPI::thread_func(void *p_udata) {
 		if (ad->active) {
 			ad->lock();
 
-			ad->audio_server_process(ad->buffer_frames, ad->samples_in.ptr());
+			ad->audio_server_process(ad->buffer_frames, ad->samples_in.ptrw());
 
 			ad->unlock();
 		} else {

platform/windows/os_windows.cpp

@@ -1843,7 +1843,7 @@ Error OS_Windows::execute(const String &p_path, const List<String> &p_arguments,
 	modstr.resize(cmdline.size());
 	for (int i = 0; i < cmdline.size(); i++)
 		modstr[i] = cmdline[i];
-	int ret = CreateProcessW(NULL, modstr.ptr(), NULL, NULL, 0, NORMAL_PRIORITY_CLASS, NULL, NULL, si_w, &pi.pi);
+	int ret = CreateProcessW(NULL, modstr.ptrw(), NULL, NULL, 0, NORMAL_PRIORITY_CLASS, NULL, NULL, si_w, &pi.pi);
 	ERR_FAIL_COND_V(ret == 0, ERR_CANT_FORK);
 
 	if (p_blocking) {