hotline#198092 : fix delData() call in Decalog connector

library/Class/WebService/SIGB/Decalog/Service.php

@@ -314,7 +314,7 @@ class Class_WebService_SIGB_Decalog_Service extends Class_WebService_SIGB_Abstra
 
   protected function _callDelAction(string $url, array $params = []) : string {
     return $this->httpDelete($url,
-                             $params,
+                             http_build_query($params),
                              Zend_Http_Client::ENC_URLENCODED,
                              $this->_header());
   }