Add const to SolenoidField() method for correct overwriting from the parent class

diff --git a/STEER/AliMagFCM.h b/STEER/AliMagFCM.h
index f7196fe6e99304d7ea0311c6a39ba8fdbf2b9bce..b3352988c22012df692e661cda6f8b2e02de2e6b 100644 (file)
--- a/STEER/AliMagFCM.h
+++ b/STEER/AliMagFCM.h
@@ -21,7 +21,7 @@ public:
   virtual void Field(Float_t *x, Float_t *b);
   virtual void ReadField();
   virtual void    SetSolenoidField(Float_t field = 2.) {fSolenoid = field;}
-  virtual Float_t SolenoidField() {return fSolenoid;}
+  virtual Float_t SolenoidField() const {return fSolenoid;}
   
   void Copy(AliMagFCM &magf) const;
   virtual AliMagFCM & operator=(const AliMagFCM &magf);