dev#178882 RT fix

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

@@ -75,7 +75,7 @@ class Class_WebService_SIGB_Orphee_Service extends Class_WebService_SIGB_Abstrac
   }
 
 
-  public function disconnect() :self {
+  public function disconnect() {
     if ($this->_session_strategy && $this->_session_strategy->isConnected())
       $this->_session_strategy->disconnect();
     $this->_session_strategy = null;