Resolved warning C4996: 'fileno': The POSIX name for this item is dep… #6000

Job	Run time
mingw (mingw64)	3m 45s
build (windows-2019, Win32, v142, 17, Debug)	1m 11s
mingw (ucrt64)	3m 59s
build (windows-2019, Win32, v142, 17, Release)	1m 15s
build (windows-2019, Win32, v142, 17, -DBUILD_SHARED_LIBS=ON, Debug)	1m 15s
build (windows-2019, Win32, v142, 17, -DBUILD_SHARED_LIBS=ON, Release)	1m 16s
build (windows-2019, x64, v140, 14, Debug)	1m 15s
build (windows-2019, x64, v140, 14, Release)	1m 13s
build (windows-2019, x64, v141, 17, Debug)	1m 17s
build (windows-2019, x64, v141, 17, Release)	1m 16s
build (windows-2019, x64, v142, 17, Debug)	29s
build (windows-2019, x64, v142, 17, Release)	1m 15s
build (windows-2019, x64, v142, 17, -DBUILD_SHARED_LIBS=ON, Debug)	1m 6s
build (windows-2019, x64, v142, 17, -DBUILD_SHARED_LIBS=ON, Release)	19s
build (windows-2019, x64, v142, 20, Debug)	11s
build (windows-2019, x64, v142, 20, Release)	28s
build (windows-2022, x64, v143, Debug, 20)	39s
	22m 9s

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