Found a bug in file dict_util.go

[ntcat]

in this func:
func (seg *Segmenter) Reader(reader *bufio.Reader, files ...string) error

those code lines:
if fsErr != nil {
if fsErr == io.EOF {
...
}
must put after :
...
seg.Dict.AddToken(token)
Otherwise,last line of dictory file will be missed.exclude the last line is empty.

[ntcat]

and, change this line:

		if freq == 0.0  {
			continue
		}

to:

		if freq == 0.0 && fsErr != io.EOF {
			continue
		}

otherwise, will met dead loop, when dictory file is empty.