Fix some Scrutinizer issues

app/Auth/Base.php

@@ -29,7 +29,7 @@ abstract class Base
      * Container instance
      *
      * @access protected
-     * @var Pimple\Container
+     * @var \Pimple\Container
      */
     protected $container;
 

app/Auth/Ldap.php

@@ -104,7 +104,7 @@ class Ldap extends Base
     {
         $ldap = $this->connect();
 
-        if ($this->bind($ldap, $username, $password)) {
+        if (is_resource($ldap) && $this->bind($ldap, $username, $password)) {
             return $this->search($ldap, $username, $password);
         }