- Restore mbfl_identify_encoding() behaviour, which I broke in the previous   patchset.
- Restore mbfl_identify_encoding() behaviour, which I broke in the previous
  patchset.


git-svn-id: 74e0a9e6c5d9c3e57f79acf98f28a92415314dbb@302 76bb4867-1e22-0410-9289-e9e6e9b3b6f2

moriyoshi/libmbfl,moriyoshi/libmbfl,moriyoshi/libmbfl