const fix

stepmania/src/Steps.cpp

@@ -110,7 +110,7 @@ void Steps::GetSMNoteData( CString &notes_comp_out, CString &attacks_comp_out )
 	attacks_comp_out = notes_comp->attacks;
 }
 
-float Steps::PredictMeter()
+float Steps::PredictMeter() const
 {
 	/* Tip: try this, instead:
 	const float RadarFactors[NUM_RADAR_CATEGORIES] =

stepmania/src/Steps.h

@@ -43,7 +43,7 @@ public:
 	void SetMeter(int meter);
 	void SetRadarValue(int r, float val);
 	bool IsAutogen() const;	// Was created by autogen?
-	float PredictMeter();
+	float PredictMeter() const;
 	
 	StepsType	m_StepsType;