AP_Math: prevent FPE in SITL when limitting accel, vectors #45307

Job	Run time
build (stm32f7, chibios, 10)	3m 47s
build (stm32h7, chibios, 10)	3m 24s
build (fmuv2-plane, chibios, 10)	1m 51s
build (periph-build, chibios, 10)	4m 8s
build (iofirmware, chibios, 10)	1m 31s
build (CubeOrange-bootloader, chibios, 10)	50s
build (fmuv3-bootloader, chibios, 10)	1m 6s
build (revo-bootloader, chibios, 10)	54s
build (stm32h7-debug, chibios, 10)	2m 27s
build (fmuv3, chibios, 10)	5m 39s
build (revo-mini, chibios, 10)	4m 16s
build (MatekF405-Wing, chibios, 10)	4m 41s
build (CubeOrange-ODID, chibios, 10)	2m 49s
build (CubeRedPrimary-bootloader, chibios, 10)	46s
build (configure-all, chibios, 10)	11m 2s
build (build-options-defaults-test, chibios, 10)	6m 56s
build (signing, chibios, 10)	2m 40s
build (CubeOrange-PPP, chibios, 10)	2m 3s
build (CubeRed-EKF2, chibios, 10)	2m 17s
build (SOHW, chibios, 10)	3m 40s
build (Pixhawk6X-PPPGW, chibios, 10)	1m 9s
build (new-check, chibios, 10)	4m 18s
	1h 12m 14s

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