Wrong log exception in jdbc-realm

There is ldap-realm log exception in jdbc-realm, see https://github.com/wildfly-security/wildfly-elytron/blob/ce3475fbc74569369513fa294e895e44b6da6dcd/src/main/java/org/wildfly/security/auth/realm/jdbc/JdbcSecurityRealm.java#L229

A new log message will be necessary.