cachedump: unicode errors

[volatilityfoundation]

cachedump: unicode errors

[gleeda]

Traceback (most recent call last):
  File "volatility/vol.py", line 192, in <module>
    main()
  File "volatility/vol.py", line 183, in main
    command.execute()
  File "volatility/volatility/commands.py", line 103, in execute
    data = self.calculate()
  File "volatility/volatility/plugins/registry/lsadump.py", line 143, in calculate
    hashes = domcachedumpmod.dump_memory_hashes(addr_space, self._config, self._config.sys_offset, self._config.sec_offset)
  File "volatility/volatility/win32/domcachedump.py", line 135, in dump_memory_hashes
    hashes = dump_hashes(addr_space, sysaddr, secaddr)
  File "volatility/volatility/win32/domcachedump.py", line 114, in dump_hashes
    enc_data, ch) = parse_cache_entry(data)
  File "volatility/volatility/win32/domcachedump.py", line 60, in parse_cache_entry
    (uname_len, domain_len) = unpack("<HH", cache_data[:4])
TypeError: 'NoneType' object is unsubscriptable

[gleeda]

above fixed as of bc2c9f7 and fa18f0c