$resaction need in 5.0.x too

htdocs/core/class/hookmanager.class.php

@@ -233,7 +233,7 @@ class HookManager
                     	if (is_array($parameters) && ! empty($parameters['special_code']) && $parameters['special_code'] > 3 && $parameters['special_code'] != $actionclassinstance->module_number) continue;
 
                     	//dol_syslog("Call method ".$method." of class ".get_class($actionclassinstance).", module=".$module.", hooktype=".$hooktype, LOG_DEBUG);
-                    	$result = $actionclassinstance->$method($parameters, $object, $action, $this); // $object and $action can be changed by method ($object->id during creation for example or $action to go back to other action for example)
+                    	$resaction = $actionclassinstance->$method($parameters, $object, $action, $this); // $object and $action can be changed by method ($object->id during creation for example or $action to go back to other action for example)
 
                     	if (! empty($actionclassinstance->results) && is_array($actionclassinstance->results)) $this->resArray =array_merge($this->resArray, $actionclassinstance->results);
                     	if (! empty($actionclassinstance->resprints)) $this->resPrint.=$actionclassinstance->resprints;