[Console] ensure integer exit codes in events

src/Symfony/Component/Console/Event/ConsoleCommandEvent.php

@@ -11,10 +11,6 @@
 
 namespace Symfony\Component\Console\Event;
 
-use Symfony\Component\Console\Command\Command;
-use Symfony\Component\Console\Input\InputInterface;
-use Symfony\Component\Console\Output\OutputInterface;
-
 /**
  * Allows to do things before the command is executed.
  *

src/Symfony/Component/Console/Event/ConsoleForExceptionEvent.php

@@ -30,7 +30,7 @@ class ConsoleForExceptionEvent extends ConsoleEvent
         parent::__construct($command, $input, $output);
 
         $this->setException($exception);
-        $this->exitCode = $exitCode;
+        $this->exitCode = (int) $exitCode;
     }
 
     /**

src/Symfony/Component/Console/Event/ConsoleTerminateEvent.php

@@ -43,7 +43,7 @@ class ConsoleTerminateEvent extends ConsoleEvent
      */
     public function setExitCode($exitCode)
     {
-        $this->exitCode = $exitCode;
+        $this->exitCode = (int) $exitCode;
     }
 
     /**