Also always return in app commands

Signed-off-by: Joas Schilling <coding@schilljs.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/apps/files_external/lib/Command/Export.php b/apps/files_external/lib/Command/Export.php
index 242f408a54d..d670865f29d 100644
--- a/apps/files_external/lib/Command/Export.php
+++ b/apps/files_external/lib/Command/Export.php
@@ -45,7 +45,7 @@ class Export extends ListCommand {
 			);
 	}
 
-	protected function execute(InputInterface $input, OutputInterface $output) {
+	protected function execute(InputInterface $input, OutputInterface $output): int {
 		$listCommand = new ListCommand($this->globalService, $this->userService, $this->userSession, $this->userManager);
 		$listInput = new ArrayInput([], $listCommand->getDefinition());
 		$listInput->setArgument('user_id', $input->getArgument('user_id'));
@@ -54,5 +54,6 @@ class Export extends ListCommand {
 		$listInput->setOption('show-password', true);
 		$listInput->setOption('full', true);
 		$listCommand->execute($listInput, $output);
+		return 0;
 	}
 }