- Commit https://github.com/mariadb/server/commit/438ed0408c69
introduced `mariadb-common` package and added description. Example in
description is confusing since files referred to are not installed and
not related/owned by the `mariadb-common` package.
- Patch is updating real file/directory description section pointing to
the real examples owned by the package.
- Example:
```
mariadb-client-10.3				install
mariadb-client-core-10.3			install
mariadb-common					install
mariadb-server					install
mariadb-server-10.3				install
mariadb-server-core-10.3			install

/.
/etc
/etc/mysql
/etc/mysql/mariadb.cnf
/etc/mysql/mariadb.conf.d
/usr
/usr/share
/usr/share/doc
/usr/share/doc/mariadb-common
/usr/share/doc/mariadb-common/changelog.Debian.gz
/usr/share/doc/mariadb-common/copyright

```

Closes PR #1690
Reviewed by: otto@kekalainen.net