Suppress a bogus stringop-overflow warning #87

Job	Run time
build (windows-2019, Win32, v142, 17, Debug)	2m 36s
build (windows-2019, Win32, v142, 17, Release)	3m 26s
build (windows-2019, Win32, v142, 17, -DBUILD_SHARED_LIBS=ON, Debug)	2m 14s
build (windows-2019, Win32, v142, 17, -DBUILD_SHARED_LIBS=ON, Release)	3m 6s
build (windows-2019, x64, v140, 14, Debug)	2m 9s
build (windows-2019, x64, v140, 14, Release)	4m 33s
build (windows-2019, x64, v141, 17, Debug)	2m 29s
build (windows-2019, x64, v141, 17, Release)	3m 42s
build (windows-2019, x64, v142, 17, Debug)	1m 55s
build (windows-2019, x64, v142, 17, Release)	3m 59s
build (windows-2019, x64, v142, 17, -DBUILD_SHARED_LIBS=ON, Debug)	2m 25s
build (windows-2019, x64, v142, 17, -DBUILD_SHARED_LIBS=ON, Release)	4m 27s
build (windows-2019, x64, v142, 20, Debug)	3m 14s
build (windows-2019, x64, v142, 20, Release)	4m 11s
build (windows-2022, x64, v143, Debug, 20)	3m 13s
mingw (mingw64)	7m 24s
mingw (ucrt64)	7m 5s
	1h 2m 8s

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