cleanup

*** 476,489 ****
  static char *
  demangled_name(char *s)
  {
          static char     *buf = NULL;
          size_t          buflen = 0;
!         const char      *dn;
          size_t          len;
  
!         dn = conv_demangle_name(s);
  
          /*
           * If not demangled, just return the symbol name
           */
          if (dn == s)
--- 476,489 ----
  static char *
  demangled_name(char *s)
  {
          static char     *buf = NULL;
          size_t          buflen = 0;
!         char            *dn;
          size_t          len;
  
!         dn = (char *)conv_demangle_name(s);
  
          /*
           * If not demangled, just return the symbol name
           */
          if (dn == s)