const char was missing in virtual function set_trace_attr

xtt/lib/flow/src/flow_con.h

 /* 
- * Proview   $Id: flow_con.h,v 1.5 2008-10-31 12:51:33 claes Exp $
+ * Proview   $Id: flow_con.h,v 1.6 2008-12-03 12:01:21 claes Exp $
  * Copyright (C) 2005 SSAB Oxelsund AB.
  *
  * This program is free software; you can redistribute it and/or 
@@ -190,7 +190,7 @@ class FlowCon : public FlowArrayElem {
     void *user_data;
     void set_user_data( void *data) { user_data = data;};
     void get_user_data( void **data) { *data = user_data;};
-    void set_trace_attr( char *object, char *attribute, flow_eTraceType type, int inverted)
+    void set_trace_attr( const char *object, const char *attribute, flow_eTraceType type, int inverted)
         { strncpy( trace_object, object, sizeof( trace_object)); 
           strncpy( trace_attribute, attribute, sizeof( trace_attribute));
           trace_attr_type = type;};

xtt/lib/flow/src/flow_conpoint.cpp

 /* 
- * Proview   $Id: flow_conpoint.cpp,v 1.5 2008-10-31 12:51:33 claes Exp $
+ * Proview   $Id: flow_conpoint.cpp,v 1.6 2008-12-03 12:01:21 claes Exp $
  * Copyright (C) 2005 SSAB Oxelsund AB.
  *
  * This program is free software; you can redistribute it and/or 
@@ -126,7 +126,7 @@ int FlowConPoint::get_conpoint( int num, double *x, double *y,
   return 0;
 }
 
-void FlowConPoint::set_trace_attr( char *object, char *attribute, 
+void FlowConPoint::set_trace_attr( const char *object, const char *attribute, 
 	flow_eTraceType type, int inverted)
 {
   strncpy( trace_attribute, attribute, sizeof( trace_attribute));

xtt/lib/flow/src/flow_conpoint.h

 /* 
- * Proview   $Id: flow_conpoint.h,v 1.6 2008-10-31 12:51:33 claes Exp $
+ * Proview   $Id: flow_conpoint.h,v 1.7 2008-12-03 12:01:21 claes Exp $
  * Copyright (C) 2005 SSAB Oxelsund AB.
  *
  * This program is free software; you can redistribute it and/or 
@@ -54,7 +54,7 @@ class FlowConPoint : public FlowArrayElem {
 	double *x_left, double *y_high, double *y_low, void *node) {};
     int get_conpoint( int num, double *x, double *y, flow_eDirection *dir);
     flow_eObjectType type() { return flow_eObjectType_ConPoint;};
-    void set_trace_attr( char *object, char *attribute, flow_eTraceType type, int inverted);
+    void set_trace_attr( const char *object, const char *attribute, flow_eTraceType type, int inverted);
     void get_trace_attr( char *object, char *attribute, flow_eTraceType *type, int *inverted);
     FlowCtx *ctx;
     int	number;