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/ScreenMapControllers.cpp

@@ -39,6 +39,11 @@ REGISTER_SCREEN_CLASS( ScreenMapControllers );
 ScreenMapControllers::ScreenMapControllers( CString sClassName ) : ScreenWithMenuElements( sClassName )
 {
 	LOG->Trace( "ScreenMapControllers::ScreenMapControllers()" );
+}
+
+void ScreenMapControllers::Init()
+{
+	ScreenWithMenuElements::Init();
 
 #ifdef _XBOX
 	CStringArray strArray;