Log fatal errors through SDL_LogError too

src/sys/nact.cpp

@@ -561,6 +561,7 @@ void NACT::fatal(const char* format, ...) {
 	va_list args;
 	va_start(args, format);
 	vsnprintf(buf, sizeof buf, format, args);
+	SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Fatal Error: %s", buf);
 	SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "system3", buf, g_window);
 	fatal_error = true;
 }