!220 修改session同步逻辑错误

Merge pull request !220 from Gszekt/master

ruoyi-framework/src/main/java/com/ruoyi/framework/shiro/session/OnlineSessionDAO.java

@@ -80,7 +80,7 @@ public class OnlineSessionDAO extends EnterpriseCacheSessionDAO
             boolean isGuest = onlineSession.getUserId() == null || onlineSession.getUserId() == 0L;
 
             // session 数据变更了 同步
-            if (!isGuest == false && onlineSession.isAttributeChanged())
+            if (!isGuest && onlineSession.isAttributeChanged())
             {
                 needSync = true;
             }