[BUGFIX] Add missing class to ext_autoload

Author: georgringer

ext_autoload.php

@@ -9,6 +9,7 @@
 	'tx_coreapi_command_siteapicommandcontroller' => $extensionClassesPath . 'Command/SiteApiCommandController.php',
 	'tx_coreapi_command_cacheapicommandcontroller' => $extensionClassesPath . 'Command/CacheApiCommandController.php',
 	'tx_coreapi_service_cacheapiservice' => $extensionClassesPath . 'Service/CacheApiService.php',
+	'tx_coreapi_service_siteapiservice' => $extensionClassesPath . 'Service/SiteApiService.php',
 	'tx_coreapi_service_databaseapiservice' => $extensionClassesPath . 'Service/DatabaseApiService.php',
 	'tx_coreapi_service_extensionapiservice' => $extensionClassesPath . 'Service/ExtensionApiService.php',
 );