Fix audio drivers with a low sample count maximum value (#1697)

src/RageSoundManager.cpp

@@ -55,6 +55,12 @@ RageSoundManager::~RageSoundManager()
 	m_mapPreloadedSounds.clear();
 }
 
+
+void RageSoundManager::low_sample_count_workaround()
+{
+	m_pDriver->low_sample_count_workaround();
+}
+
 void RageSoundManager::fix_bogus_sound_driver_pref(RString const& valid_setting)
 {
 	g_sSoundDrivers.Set(valid_setting);