Disable syslog as it is not present in the container

app/seafile/build/mariadb/entrypoint.sh

@@ -41,7 +41,7 @@ EOF
 chown mysql:mysql /var/lib/mysql
 [ -z "$(ls -A /var/lib/mysql)" ] && mysql_install_db --user=mysql --basedir=/usr --datadir=/var/lib/mysql
 
-/usr/bin/mysqld_safe &
+/usr/bin/mysqld_safe --skip-syslog &
 
 until ls /var/run/mysqld/mysqld.sock; do sleep 1; done
 /usr/bin/mysqladmin -u root password ${MYSQL_PASSWORD} || true