minor #7979 Fix method reference to AbstractController (getSubscribedServices) (maff)

This PR was merged into the 3.3 branch.

Discussion
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Fix method reference to AbstractController (getSubscribedServices)

`getSubscribedServices()` instead of `getSubscribedEvents()`

Commits
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b9b4567 Fix method reference (`getSubscribedServices()` instead of `getSubscribedEvents()`)

Author: xabbuh

controller/service.rst

@@ -130,7 +130,7 @@ The best way to see how to replace base ``Controller`` convenience methods is to
 look at the `ControllerTrait`_ that holds its logic.
 
 If you want to know what type-hints to use for each service, see the
-``getSubscribedEvents()`` method in `AbstractController`_.
+``getSubscribedServices()`` method in `AbstractController`_.
 
 .. _`Controller class source code`: https://github.com/symfony/symfony/blob/master/src/Symfony/Bundle/FrameworkBundle/Controller/ControllerTrait.php
 .. _`base Controller class`: https://github.com/symfony/symfony/blob/master/src/Symfony/Bundle/FrameworkBundle/Controller/ControllerTrait.php