cmake/traceparser: fix typo #16674

Job	Run time
Arch / PyPy	20m 13s
Arch Linux	20m 21s
Ubuntu Rolling (gcc, g++)	19m 37s
CUDA (on Arch)	7m 40s
Ubuntu Rolling (--unity=on -Ddefault_library=static, --no-unittests, gcc, g++)	14m 6s
Fedora	19m 54s
Ubuntu Rolling (-Ddefault_library=both, --no-unittests, gcc, g++)	14m 2s
Gentoo	21m 44s
Ubuntu Rolling (clang, clang++)	22m 46s
OpenSUSE	17m 3s
Ubuntu Rolling (--unity=on, --no-unittests, clang, clang++)	15m 39s
Ubuntu Bionic	14m 51s
Ubuntu Rolling (--cross ubuntu-armhf.json --cross linux-mingw-w64-64bit.json, 0, gcc, g++)	13m 50s
Ubuntu Rolling (--cross ubuntu-armhf.json --cross linux-mingw-w64-64bit.json, --unity=on, gcc, g++)	14m 3s
	3h 55m 49s

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