This is a combined patch of various spelling fixes originally done in
Debian.
* Fix misc typos in MariaDB Server
* Fix spelling of 'allows one to'
Fix the following Lintian nags introduced in commit
c8d040938a:
I: mariadb-backup: spelling-error-in-binary "allows to" "allows one to" [usr/bin/mariadb-backup]
I: mariadb-server-core: spelling-error-in-binary "allows to" "allows one to" [usr/sbin/mariadbd]
I: mariadb-test: spelling-error-in-binary "allows to" "allows one to" [usr/bin/mariadb-client-test-embedded]
I: mariadb-test: spelling-error-in-binary "allows to" "allows one to" [usr/bin/mariadb-test-embedded]
I: mariadb-test: spelling-error-in-binary "allows to" "allows one to" [usr/bin/test-connect-t]