Resolved warning C4996: 'fileno': The POSIX name for this item is dep… #6003

Job	Run time
mingw (mingw64)	4m 53s
build (windows-2019, Win32, v142, 17, Debug)	2m 9s
mingw (ucrt64)	4m 29s
build (windows-2019, Win32, v142, 17, Release)	2m 55s
build (windows-2019, Win32, v142, 17, -DBUILD_SHARED_LIBS=ON, Debug)	1m 57s
build (windows-2019, Win32, v142, 17, -DBUILD_SHARED_LIBS=ON, Release)	1m 59s
build (windows-2019, x64, v140, 14, Debug)	1m 42s
build (windows-2019, x64, v140, 14, Release)	2m 20s
build (windows-2019, x64, v141, 17, Debug)	1m 19s
build (windows-2019, x64, v141, 17, Release)	2m 32s
build (windows-2019, x64, v142, 17, Debug)	1m 43s
build (windows-2019, x64, v142, 17, Release)	3m 18s
build (windows-2019, x64, v142, 17, -DBUILD_SHARED_LIBS=ON, Debug)	1m 57s
build (windows-2019, x64, v142, 17, -DBUILD_SHARED_LIBS=ON, Release)	2m 12s
build (windows-2019, x64, v142, 20, Debug)	1m 31s
build (windows-2019, x64, v142, 20, Release)	3m 27s
build (windows-2022, x64, v143, Debug, 20)	1m 50s
	42m 13s

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