Fixed #12013 - Marked some default error messages for translation.
Fixed #12013 - Marked some default error messages for translation.

--HG--
extra : convert_revision : svn%3Abcc190cf-cafb-0310-a4f2-bffc1f526a37/django/trunk%4012088

adieu/django-nonrel,adieu/django-nonrel,adieu/django-nonrel