Fixed #26941 -- Corrected uwsgi "env = LANG=…" configuration in docs.

docs/howto/deployment/wsgi/uwsgi.txt

@@ -114,7 +114,7 @@ Example ini configuration file usage::
     that contain non-ASCII characters, make sure uWSGI is configured to accept
     non-ASCII file names by adding this to your ``uwsgi.ini``::
 
-        env = LANG='en_US.UTF-8'
+        env = LANG=en_US.UTF-8
 
     See the :ref:`unicode-files` section of the Unicode reference guide for
     details.