restore unrelated end of line formatting

introduced with 99d3d21ef6d3191d2c3139a3743b4d36e4bd7102

Author: romain

doc/index.rst

@@ -3791,7 +3791,7 @@ uses Symfony's test client to render and make requests to your components::
             // authenticate a user ($user is instance of UserInterface)
             $testComponent->actingAs($user);
 
-            // set the '_locale' route parameter (if the component route is localized)
+            // set the '_locale' route parameter (if the component route is localized)  
             $testComponent->setRouteLocale('fr');
 
             // customize the test client