Compatibility with Symfony 2.*

Author: agentsib

src/DependencyInjection/Configuration.php

@@ -107,7 +107,7 @@ public function getConfigTreeBuilder()
                             ->prototype('scalar')->end()
                         ->end()
                         ->arrayNode('processorOptions')
-                            ->arrayPrototype()
+                            ->prototype('array')
                                 ->prototype('scalar')->end()
                             ->end()
                         ->end()