code style fix

yii/web/Response.php

@@ -112,10 +112,10 @@ class Response extends \yii\base\Response
 			ob_end_clean();
 			echo $content;
 			exit(0);
-		}
-		else
+		} else {
 			echo $content;
 		}
+	}
 
 	/**
 	 * Sends existing file to a browser as a download using x-sendfile.