Add return value to all commands

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

1 files changed, 2 insertions, 1 deletions

diff --git a/core/Command/Security/RemoveCertificate.php b/core/Command/Security/RemoveCertificate.php
index 4aa97a61757..fd0b536f299 100644
--- a/core/Command/Security/RemoveCertificate.php
+++ b/core/Command/Security/RemoveCertificate.php
@@ -50,9 +50,10 @@ class RemoveCertificate extends Base {
 			);
 	}
 
-	protected function execute(InputInterface $input, OutputInterface $output) {
+	protected function execute(InputInterface $input, OutputInterface $output): int {
 		$name = $input->getArgument('name');
 
 		$this->certificateManager->removeCertificate($name);
+		return 0;
 	}
 }