[#46021167] Added back accidently trailing whitespace
[#46021167] Added back accidently trailing whitespace

A trailing whitespace was removed from mysql my.cnf,
we added it back as it can trigger mysql restart
- Garima/Dan

alphagov/govuk-puppet,alphagov/govuk-puppet,alphagov/govuk-puppet,alphagov/govuk-puppet,alphagov/govuk-puppet,alphagov/govuk-puppet