Merge pull request php-curl-class#231 from zachborboa/master

Fix error when using a multidimensional array with Curl::patch()

Author: zachborboa

src/Curl/Curl.php

@@ -442,9 +442,8 @@ public function patch($url, $data = array())
             $url = $this->baseUrl;
         }
         $this->setURL($url);
-        $this->unsetHeader('Content-Length');
         $this->setOpt(CURLOPT_CUSTOMREQUEST, 'PATCH');
-        $this->setOpt(CURLOPT_POSTFIELDS, $data);
+        $this->setOpt(CURLOPT_POSTFIELDS, $this->buildPostData($data));
         return $this->exec();
     }