[Form] Fixed broken namespace paths

src/Symfony/Bundle/DoctrineBundle/Resources/config/orm.xml

@@ -47,7 +47,7 @@
         <parameter key="doctrine.orm.proxy_cache_warmer.class">Symfony\Bundle\DoctrineBundle\CacheWarmer\ProxyCacheWarmer</parameter>
         
         <!-- form field factory guesser -->
-        <parameter key="form.field_factory.doctrine_guesser.class">Symfony\Component\Form\Extension\Doctrine\EntityFieldFactoryGuesser</parameter>
+        <parameter key="form.field_factory.doctrine_guesser.class">Symfony\Component\Form\FieldFactory\EntityFieldFactoryGuesser</parameter>
     </parameters>
 
     <services>

src/Symfony/Component/Form/FieldFactory/EntityFieldFactoryGuesser.php

@@ -61,7 +61,7 @@ class EntityFieldFactoryGuesser implements FieldFactoryGuesserInterface
                 $mapping = $metadata->getAssociationMapping($property);
 
                 return new FieldFactoryClassGuess(
-                	'Symfony\Component\Form\Extension\Doctrine\EntityChoiceField',
+                	'Symfony\Component\Form\EntityChoiceField',
                     array(
                         'em' => $this->em,
                         'class' => $mapping['targetEntity'],