Update NuSOAP client example

The $soapClient created in the example is an instance of the native \SoapClient class, instead of NuSOAP.

Author: sebpacz

controller/soap_web_service.rst

@@ -38,7 +38,6 @@ In this case, the SOAP service will allow the client to call a method called
 
         public function hello($name)
         {
-
             $message = (new \Swift_Message('Hello Service'))
                 ->setTo('[email protected]')
                 ->setBody($name.' says hi!');
@@ -100,7 +99,7 @@ Below is an example calling the service using a `NuSOAP`_ client. This example
 assumes that the ``index()`` method in the controller above is accessible via
 the route ``/soap``::
 
-    $soapClient = new \SoapClient('http://example.com/index.php/soap?wsdl');
+    $soapClient = new nusoap_client('http://example.com/index.php/soap?wsdl');
 
     $result = $soapClient->call('hello', ['name' => 'Scott']);