[sfUnobstrusiveWidgetPlugin] fixed __ method
[sfUnobstrusiveWidgetPlugin] fixed __ method

git-svn-id: e066ce25d2acef5a8ddbfbadd130dd6243c8df74@21380 ee427ae8-e902-0410-961c-c3ed070cd9f9

Symfony-Plugins/sfUnobstrusiveWidgetPlugin,Symfony-Plugins/sfUnobstrusiveWidgetPlugin