注释增加了个换行，改善显示效果

mybatis-plus/src/main/java/com/baomidou/mybatisplus/plugins/OptimisticLockerInterceptor.java

@@ -40,7 +40,7 @@ import com.baomidou.mybatisplus.toolkit.TableInfoHelper;
  * How to work?<BR>
  *     if update entity with version column=1:<BR>
  *         (1) no {@link OptimisticLockerInterceptor}:<BR>
- *             SQL: update tbl_test set name='abc' where id=100001;
+ *             SQL: update tbl_test set name='abc' where id=100001;<BR>
  *         (2) add {@link OptimisticLockerInterceptor}:<BR>
  *             SQL: update tbl_test set name='abc',version=2 where id=100001 and version=1;
  * </p>