Fix bug with deprecation notice

Author: wouterj

DependencyInjection/Configuration.php

@@ -105,7 +105,7 @@ private function addDynamicSection(ArrayNodeDefinition $root)
                                         ->thenInvalid('Found values for both "route_basepath" and "route_basepaths", use "route_basepaths" instead.')
                                     ->end()
                                     ->beforeNormalization()
-                                        ->ifTrue(function ($v) { return isset($v['route_basepath']); })
+                                        ->ifTrue(function ($v) { return isset($v['route_basepath']) && !is_array($v['route_basepath']); })
                                         ->then(function ($v) {
                                             @trigger_error('The route_basepath setting is deprecated as of version 1.4 and will be removed in 2.0. Use route_basepaths instead.', E_USER_DEPRECATED);
 

Tests/Resources/Fixtures/config/config.xml

@@ -23,11 +23,11 @@
 
             <persistence>
                 <phpcr
-                    route-basepath="/cms/routes"
                     content-basepath="/cms/content"
                     use-sonata-admin="false"
                     enable-initializer="true"
                 >
+                    <route-basepath>/cms/routes</route-basepath>
                     <route-basepath>/simple</route-basepath>
                 </phpcr>
             </persistence>