Description of problem:
[ibus-anthy]Some words displayed as white square box or code in the candidate panel.

Version-Release number of selected component (if applicable):
ibus-anthy-1.5.4-1.fc20.x86_64
anthy-9100h-24.fc20.x86_64
ibus-anthy-python-1.5.4-1.fc20.x86_64

How reproducible:
100%

Steps to Reproduce:
1. Install latest Fedora20 tc6 build.
2. Install ibus-anthy.
3. Add an input source which has (Anthy) in the name. 
4. Type some Japanese words with Anthy like 'か'
5. Click on and select the word from the candidate panel.

Actual results:
[ibus-anthy] Some words displayed as white square box or code in the candidate panel.

Expected result:
Those words should be displayed as normal in the candidate panel and on the terminal or other apps.

Additional info:
Please see the attached screenshot.