Fixed #1858 : typo in get_FIELD_size() method. Thanks, tom@jerakeen.org.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@2903 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/db/models/base.py

@@ -298,7 +298,7 @@ class Model(object):
         return ''
 
     def _get_FIELD_size(self, field):
-        return os.path.getsize(self.__get_FIELD_filename(field))
+        return os.path.getsize(self._get_FIELD_filename(field))
 
     def _save_FIELD_file(self, field, filename, raw_contents):
         directory = field.get_directory_name()