Description of problem:
Candidate word list doesn't learn the candidate word even if the different one
was chosen at the candidate word list. it should appears next time.

Version-Release number of selected component (if applicable):
anthy-7100b-2.1

How reproducible:
always

Steps to Reproduce:
1.type something and convert it.
2.choose another word from the candidate list
3.type same thing and see the first candidate word
  
Actual results:
appears the same word when typed at first time.

Expected results:
should appears the word which was chosen from the candidate word list last time.

Additional info:
it looks to me like it fails when there are last-record1_default in ~/.anthy.