[FrameworkBundle] fixed bugs

- not existing service in DI container
- called invalid method

src/Symfony/Bundle/FrameworkBundle/DependencyInjection/FrameworkExtension.php

@@ -76,7 +76,7 @@ class FrameworkExtension extends Extension
             } else {
                 $container
                     ->getDefinition('error_handler')->addMethodCall('register', array())
-                    ->setParameter(0, $config['error_handler'])
+                    ->setArgument(0, $config['error_handler'])
                 ;
             }
         }

src/Symfony/Bundle/FrameworkBundle/Resources/config/services.xml

@@ -19,7 +19,7 @@
             <argument type="service" id="service_container" />
         </service>
 
-        <service id="error_handler" class="%error_handler.class%" public="false">
+        <service id="error_handler" class="%error_handler.class%">
             <argument /> <!-- level (null by default) -->
         </service>