Use Init() for all screens, so we can set state before the base class

members are loaded--they'll see resets, score finalization, etc.  It
also results in smaller code, due to a g++ bug that causes constructors
to be emitted several times.

stepmania/src/ScreenSelectMode.cpp

@@ -34,6 +34,12 @@ Desc: Sets up the screen display
 REGISTER_SCREEN_CLASS( ScreenSelectMode );
 ScreenSelectMode::ScreenSelectMode( CString sClassName ) : ScreenSelect( sClassName )
 {
+}
+
+void ScreenSelectMode::Init()
+{
+	ScreenSelect::Init();
+
 	m_b2DAvailable = m_bCharsAvailable = false;
 
 	int pn;