fixed duplicate variable name in coord_frame.hh

modules/mol/base/src/coord_frame.hh

@@ -62,7 +62,7 @@ public:
   Real GetMinDistBetwCenterOfMassAndView(const mol::EntityView& view_cm, const mol::EntityView& view_atoms);
   geom::Line3 GetODRLine(std::vector<unsigned long>& indices_ca);
   geom::Line3 FitCylinder(std::vector<unsigned long>& indices_ca);
-  Real GetAlphaHelixContent(std::vector<unsigned long>& indices_ca, std::vector<unsigned long>& indices_ca,
+  Real GetAlphaHelixContent(std::vector<unsigned long>& indices_ca, std::vector<unsigned long>& indices_c,
                              std::vector<unsigned long>& indices_o, std::vector<unsigned long>& indices_n);
   Real GetAlphaHelixContent(const mol::EntityView& segment);
 };