ZP-1058 autodiscover: Fix mistake: always send response

Released under the Affero GNU General Public License (AGPL) version 3.

src/autodiscover/autodiscover.php

@@ -138,8 +138,9 @@ class ZPushAutodiscover {
                     }
                 }
             }
-            $this->sendResponse($response);
         }
+
+        $this->sendResponse($response);
     }
 
     /**