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.h

@@ -24,6 +24,7 @@ class ScreenSelectMode : public ScreenSelect
 {
 public:
 	ScreenSelectMode( CString sName ); // Constructor
+	virtual void Init();
 	virtual ~ScreenSelectMode(); // Destructor
 	virtual void MenuLeft( PlayerNumber pn );
 	virtual void MenuRight( PlayerNumber pn );