updated plugin WP Mail SMTP version 2.4.0

wp-content/plugins/wp-mail-smtp/vendor_prefixed/google/auth/autoload.php

@@ -0,0 +1,35 @@
+<?php
+
+namespace WPMailSMTP\Vendor;
+
+/*
+ * Copyright 2014 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+function oauth2client_php_autoload($className)
+{
+    $classPath = \explode('_', $className);
+    if ($classPath[0] != 'Google') {
+        return;
+    }
+    if (\count($classPath) > 3) {
+        // Maximum class file path depth in this project is 3.
+        $classPath = \array_slice($classPath, 0, 3);
+    }
+    $filePath = \dirname(__FILE__) . '/src/' . \implode('/', $classPath) . '.php';
+    if (\file_exists($filePath)) {
+        require_once $filePath;
+    }
+}
+\spl_autoload_register('oauth2client_php_autoload');