Fix regression with const in RI declarations

c/build_c_skeletons.c

@@ -211,7 +211,7 @@ void add_RI_to_C_gw(Interface * i)
     });
 
     FOREACH (p, Parameter, i->out, {
-        fprintf(user_code_h,"%sconst asn1Scc%s *",
+        fprintf(user_code_h,"%sasn1Scc%s *",
                             comma? sep: "",
                             p->type);
         comma = true;

c/practical_functions.c

@@ -1193,7 +1193,7 @@ void List_C_Types_And_Params_With_Pointers(Parameter * p, FILE ** file)
 
     fprintf(*file, "%s%sasn1Scc%s *%s_%s",
             comma ? ", " : "",
-            (param_in == p->param_direction) ? "" : "",
+            (param_in == p->param_direction) ? "const " : "",
             p->type,
             (param_in == p->param_direction) ? "IN" : "OUT", p->name);
 }