Fixed #7554 -- Modified contrib.localflavor to make use of ugettext, rather...

Fixed #7554 -- Modified contrib.localflavor to make use of ugettext, rather than ugettext. Thanks to msaelices for the report and patch.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@7689 bcc190cf-cafb-0310-a4f2-bffc1f526a37