Fix mariadb_ctl premature exit when mysql_upgrade fails
Fix mariadb_ctl premature exit when mysql_upgrade fails

[#72629354]

kbastani/cf-mysql-release,cloudfoundry/cf-mysql-release,CloudCredo/cf-mysql-release,krishna-mk/cf-mysql-release,CloudCredo/cf-mysql-release,ruanbinfeng/cf-mysql-release,kbastani/cf-mysql-release,CloudCredo/cf-mysql-release,ruanbinfeng/cf-mysql-release,cloudfoundry/cf-mysql-release,cloudfoundry/cf-mysql-release,cloudfoundry/cf-mysql-release,ruanbinfeng/cf-mysql-release,kbastani/cf-mysql-release,krishna-mk/cf-mysql-release,ruanbinfeng/cf-mysql-release,krishna-mk/cf-mysql-release