Update to 3.3.66
    
    - New upstream release 3.3.66
      - Faster fsdb initialization
      - Fix vcd recoder loader crash for malformed vcd if signal is declared as
        bits and a real valued change is encountered for the value change
      - Fixed crash in vcd2vzt for vcd files with no value changes (likely a
        malformed vcd)
      - Added fsdbReaderResetSignalList() to prevent signals from loading over and
        over when unnecessary
      - Compile fixes for renamed functions and defines in gtk osx