Fixed #14990 -- Added sitemaps tests templates to manifest template.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@15114 bcc190cf-cafb-0310-a4f2-bffc1f526a37

MANIFEST.in

@@ -27,3 +27,4 @@ recursive-include django/contrib/gis/tests/data *
 recursive-include django/contrib/gis/tests/geoapp/fixtures *
 recursive-include django/contrib/gis/tests/geogapp/fixtures *
 recursive-include django/contrib/sitemaps/templates *
+recursive-include django/contrib/sitemaps/tests/templates *