corrected syntax errors

Author: dsyph3r

book/validation.rst

@@ -270,7 +270,7 @@ annotations if you're using the annotation method to specify your constraints:
  // app/config/config.php
  $container->loadFromExtension('framework', array('validation' => array(
  'enable_annotations' => true,
- ));
+ )));
 
 .. index::
  single: Validation; Constraints
@@ -367,7 +367,7 @@ constraint, have several configuration options available. Suppose that the
  $metadata->addPropertyConstraint('gender', new Choice(array(
  'choices' => array('male', 'female'),
  'message' => 'Choose a valid gender.',
- ));
+ )));
  }
  }