Deb: Unify config file syntax style

- no space after comment
- align equal signs in groups

Upstreamed from: https://salsa.debian.org/mariadb-team/mariadb-10.5/-/commit/a8c67e15c9a58199f085ae84cdb97c542667767d

debian/additions/mariadb.conf.d/50-client.cnf

@@ -5,11 +5,11 @@
 
 [client]
 # Example of client certificate usage
-# ssl-cert = /etc/mysql/client-cert.pem
-# ssl-key = /etc/mysql/client-key.pem
+#ssl-cert = /etc/mysql/client-cert.pem
+#ssl-key  = /etc/mysql/client-key.pem
 #
 # Allow only TLS encrypted connections
-# ssl-verify-server-cert = on
+#ssl-verify-server-cert = on
 
 # This group is *never* read by mysql client library, though this
 # /etc/mysql/mariadb.cnf.d/client.cnf file is not read by Oracle MySQL

debian/additions/mariadb.conf.d/50-server.cnf

@@ -82,6 +82,7 @@ expire_logs_days        = 10
 #ssl-ca = /etc/mysql/cacert.pem
 #ssl-cert = /etc/mysql/server-cert.pem
 #ssl-key = /etc/mysql/server-key.pem
+#require-secure-transport = on
 
 #
 # * Character sets

debian/additions/mariadb.conf.d/60-galera.cnf

@@ -7,8 +7,8 @@
 [galera]
 # Mandatory settings
 #wsrep_on                 = ON
-#wsrep_provider =
-#wsrep_cluster_address =
+#wsrep_cluster_name       = "MariaDB Galera Cluster"
+#wsrep_cluster_address    = gcomm://
 #binlog_format            = row
 #default_storage_engine   = InnoDB
 #innodb_autoinc_lock_mode = 2