Fix Scrutinizer issues

apps/federatedfilesharing/lib/discoverymanager.php

@@ -104,7 +104,9 @@ class DiscoveryManager {
 				}
 			}
 		} catch (ClientException $e) {
+			// Don't throw any exception since exceptions are handled before
 		} catch (ConnectException $e) {
+			// Don't throw any exception since exceptions are handled before
 		}
 
 		// Write into cache

apps/files_sharing/ajax/external.php

@@ -67,6 +67,7 @@ $externalManager = new \OCA\Files_Sharing\External\Manager(
 		\OC\Files\Filesystem::getLoader(),
 		\OC::$server->getHTTPHelper(),
 		\OC::$server->getNotificationManager(),
+		$discoveryManager,
 		\OC::$server->getUserSession()->getUser()->getUID()
 );