auc: fix typo #21472

Job	Run time
Feeds Package Test Build / Test aarch64_generic	11m 54s
Feeds Package Test Build / Test arm_cortex-a15_neon-vfpv4	11m 25s
Feeds Package Test Build / Test arm_cortex-a9_vfpv3-d16	13m 13s
Feeds Package Test Build / Test i386_pentium-mmx	11m 57s
Feeds Package Test Build / Test mips_24kc	11m 32s
Feeds Package Test Build / Test mipsel_24kc	11m 43s
Feeds Package Test Build / Test powerpc_464fp	11m 54s
Feeds Package Test Build / Test powerpc_8548	11m 15s
Feeds Package Test Build / Test riscv64_riscv64	11m 6s
Feeds Package Test Build / Test x86_64	12m 23s
	1h 58m 22s

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