minor #3865 Fixed link. (aitboudad)

This PR was submitted for the master branch but it was merged into the 2.5 branch instead (closes #3865).

Discussion
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Fixed link.

| Q             | A
| ------------- | ---
| Doc fix?	 | yes| New docs? | no
| Applies to | 2.5
|Fixed tickets |	-

Commits
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b2e4330 Fixed link.

Author: weaverryan

book/security.rst

@@ -1099,7 +1099,7 @@ authorization from inside a controller::
 .. versionadded:: 2.5
     The ``createAccessDeniedException`` method was introduced in Symfony 2.5.
 
-The :method:`Symfony\\Bundle\\FrameworkBundle\\Controller\\Controller::createAccessDeniedException()`
+The :method:`Symfony\\Bundle\\FrameworkBundle\\Controller\\Controller::createAccessDeniedException`
 method creates a special :class:`Symfony\\Component\\Security\\Core\Exception\\AccessDeniedException`
 object, which ultimately triggers a 403 HTTP response inside Symfony.