Fix typo's

modules/exampleauth/lib/Auth/Source/External.php

@@ -32,7 +32,7 @@ class External extends \SimpleSAML\Auth\Source
     /**
      * The key of the AuthId field in the state.
      */
-    const AUTHID = 'SimpleSAML\Module\exampleautth\Auth\Sourc\External.AuthId';
+    const AUTHID = 'SimpleSAML\Module\exampleauth\Auth\Source\External.AuthId';
 
 
     /**