MDEV-14900 Upstream 10.3 debian patches

applied (at least partially):
* armhf_mroonga_storage_fail.patch (unaligned write)
* mysqld_multi.server_lsb-header.patch (add LSB header)
* fix-spelling-errors.patch (tabxml.cpp)
* hurd_socket.patch (in Platform.pm)
* remove-systemd-obsolete-target.patch

support-files/mysqld_multi.server.sh

@@ -14,8 +14,23 @@
 # Version 1.0
 #
 
-basedir=/usr/local/mysql
-bindir=/usr/local/mysql/bin
+### BEGIN INIT INFO
+# Provides:          mysqld_multi
+# Required-Start: $local_fs $network $remote_fs
+# Should-Start: ypbind nscd ldap ntpd xntpd
+# Required-Stop: $local_fs $network $remote_fs
+# Default-Start:  2 3 4 5
+# Default-Stop: 0 1 6
+# Short-Description: Start and stop multiple mysql database server daemon instances
+# Description:       Controls multiple MariaDB database server daemon instances
+### END INIT INFO
+
+PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
+NAME=mysqld_multi
+DESC=mysqld_multi
+
+basedir=/usr
+bindir=/usr/bin
 
 if test -x $bindir/mysqld_multi
 then