Do not violate G-1020 in bad example of G-4325

ad a matching label to end loop and end of block in bad example of [G-4325](https://trivadis.github.io/plsql-and-sql-coding-guidelines/v4.2/4-language-usage/4-control-structures/3-flow-control/g-4325/#example-bad)