CONC-786: static analysis cleanup #85

Job	Run time
server 10.11 test suite TEST_OPTION=--ps-protocol	19m 8s
setup	4s
server 10.6 test suite	16m 34s
MariaDB 11.4 (local) - windows 2025	5m 37s
MariaDB 11.4 (local) - macos	2m 27s
MySQL 8.0	2m 26s
MariaDB 11.4	2m 17s
MariaDB 11.4 (local) - windows	4m 46s
MariaDB 10.6	2m 14s
MySQL 8.4	2m 25s
MariaDB 12.0 dev	2m 10s
MariaDB 10.11	2m 8s
MariaDB 11.8 dev	2m 14s
	1h 4m 30s

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