support alertpanel.
support alertpanel.

original bzr status:
revno: 5
committer: HAYASHI Kentaro <6ae879f1bd598abba767192ff2ce7060570e19f0@gmail.com>
branch nick: autoforward
timestamp: Tue 2011-02-15 18:12:00 +0900

kenhys/sylpheed-autoforward,kenhys/sylpheed-autoforward