PHP syntax fix

framework/logging/Router.php

@@ -127,7 +127,7 @@ class Router extends \yii\base\ApplicationComponent
 	{
 		$messages = \Yii::getLogger()->messages;
 		$export = !isset($event->params['export']) || $event->params['export'];
-		$final = !isset($event-params['flush']) || !$event->params['flush'];
+		$final = !isset($event->params['flush']) || !$event->params['flush'];
 		foreach ($this->_targets as $target) {
 			if ($target->enabled) {
 				$target->processMessages($messages, $export, $final);