[#MDEV-23133] Concatenation error leads to typo in the warning message

10.5 6877ef9a7c
MariaDB [test]> set session_track_system_variables='foo';
Query OK, 0 rows affected, 1 warning (0.000 sec)

MariaDB [test]> show warnings;
+---------+------+--------------------------------------------------------+
\| Level \| Code \| Message \|
+---------+------+--------------------------------------------------------+
\| Warning \| 1231 \| foo is not a valid system variable and willbe ignored. \|
+---------+------+--------------------------------------------------------+
1 row in set (0.001 sec)

[MDEV-23133] Concatenation error leads to typo in the warning message Created: 2020-07-09 Updated: 2023-07-20 Resolved: 2023-07-20
Status:	Closed
Project:	MariaDB Server
Component/s:	Server
Affects Version/s:	10.2, 10.3, 10.4, 10.5
Fix Version/s:	10.4.31, 10.5.22, 10.6.15, 10.9.8, 10.10.6, 10.11.5, 11.0.3, 11.1.2, 11.2.1