Fixed a RST syntax issue in a table

Author: javiereguiluz

routing.rst

@@ -768,7 +768,7 @@ Route path  If the requested URL is ``/foo``          If the requested URL is ``
 ----------  ----------------------------------------  ------------------------------------------
 ``/foo``    It matches (``200`` status response)      It makes a ``301`` redirect to ``/foo``
 ``/foo/``   It makes a ``301`` redirect to ``/foo/``  It matches (``200`` status response)
-----------  ----------------------------------------  ------------------------------------------
+==========  ========================================  ==========================================
 
 .. note::