Fixed #11869 - Prevent deadlocks when calling gettext utilities on Windows....

Fixed #11869 - Prevent deadlocks when calling gettext utilities on Windows. Also fixes #12783. Thanks Ramiro Morales and soulburner.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@12383 bcc190cf-cafb-0310-a4f2-bffc1f526a37