diff --git a/lib/SimpleSAML/IdP/LogoutHandler.php b/lib/SimpleSAML/IdP/LogoutHandler.php
index a30f06fc57b2aa56f21f0b44ce4f07d488d17309..a5ba9293e8652bf1db0848de1fa739e28512620e 100644
--- a/lib/SimpleSAML/IdP/LogoutHandler.php
+++ b/lib/SimpleSAML/IdP/LogoutHandler.php
@@ -1,55 +1,57 @@
 <?php
 
+
 /**
  * Base class for logout handlers.
  *
  * @package SimpleSAMLphp
  */
-abstract class SimpleSAML_IdP_LogoutHandler {
-
-	/**
-	 * The IdP we are logging out from.
-	 *
-	 * @var SimpleSAML_IdP
-	 */
-	protected $idp;
-
-
-	/**
-	 * Initialize this logout handler.
-	 *
-	 * @param SimpleSAML_IdP $idp The IdP we are logging out from.
-	 */
-	public function __construct(SimpleSAML_IdP $idp) {
-		$this->idp = $idp;
-	}
-
-
-	/**
-	 * Start a logout operation.
-	 *
-	 * This function must never return.
-	 *
-	 * @param array &$state The logout state.
-	 * @param string|null $assocId The association that started the logout.
-	 */
-	abstract public function startLogout(array &$state, $assocId);
-
-
-	/**
-	 * Handles responses to our logout requests.
-	 *
-	 * This function will never return.
-	 *
-	 * @param string $assocId The association that is terminated.
-	 * @param string|null $relayState The RelayState from the start of the logout.
-	 * @param SimpleSAML_Error_Exception|null $error The error that occurred during session termination (if any).
-	 */
-	public function onResponse($assocId, $relayState, SimpleSAML_Error_Exception $error = NULL) {
-		assert('is_string($assocId)');
-		assert('is_string($relayState) || is_null($relayState)');
-
-		// don't do anything by default
-	}
-
+abstract class SimpleSAML_IdP_LogoutHandler
+{
+
+    /**
+     * The IdP we are logging out from.
+     *
+     * @var SimpleSAML_IdP
+     */
+    protected $idp;
+
+
+    /**
+     * Initialize this logout handler.
+     *
+     * @param SimpleSAML_IdP $idp The IdP we are logging out from.
+     */
+    public function __construct(SimpleSAML_IdP $idp)
+    {
+        $this->idp = $idp;
+    }
+
+
+    /**
+     * Start a logout operation.
+     *
+     * This function must never return.
+     *
+     * @param array &$state The logout state.
+     * @param string|null $assocId The association that started the logout.
+     */
+    abstract public function startLogout(array &$state, $assocId);
+
+
+    /**
+     * Handles responses to our logout requests.
+     *
+     * This function will never return.
+     *
+     * @param string $assocId The association that is terminated.
+     * @param string|null $relayState The RelayState from the start of the logout.
+     * @param SimpleSAML_Error_Exception|null $error The error that occurred during session termination (if any).
+     */
+    public function onResponse($assocId, $relayState, SimpleSAML_Error_Exception $error = null)
+    {
+        assert('is_string($assocId)');
+        assert('is_string($relayState) || is_null($relayState)');
+        // don't do anything by default
+    }
 }