removing unused parameter $parameters

fixing undefined variable $useDir

lib/ocs/cloud.php

@@ -24,7 +24,7 @@
 
 class OC_OCS_Cloud {
 
-	public static function getSystemWebApps($parameters) {
+	public static function getSystemWebApps() {
 		OC_Util::checkLoggedIn();
 		$apps = OC_App::getEnabledApps();
 		$values = array();
@@ -45,7 +45,7 @@ class OC_OCS_Cloud {
 			if(OC_User::userExists($parameters['user'])) {
 				// calculate the disc space
 				$userDir = '/'.$parameters['user'].'/files';
-				OC_Filesystem::init($useDir);
+				OC_Filesystem::init($userDir);
 				$rootInfo = OC_FileCache::get('');
 				$sharedInfo = OC_FileCache::get('/Shared');
 				$used = $rootInfo['size'] - $sharedInfo['size'];