Fix error: 'char_traits<custom_char>' is deprecated: char_traits<T> f… #671

Job	Run time
build (windows-2019, Win32, v142, 17, Debug)	2m 32s
build (windows-2019, Win32, v142, 17, Release)	5m 19s
build (windows-2019, Win32, v142, 17, -DBUILD_SHARED_LIBS=ON, Debug)	2m 34s
build (windows-2019, Win32, v142, 17, -DBUILD_SHARED_LIBS=ON, Release)	3m 11s
build (windows-2019, x64, v140, 14, Debug)	1m 51s
build (windows-2019, x64, v140, 14, Release)	2m 58s
build (windows-2019, x64, v141, 17, Debug)	3m 15s
build (windows-2019, x64, v141, 17, Release)	4m 51s
build (windows-2019, x64, v142, 17, Debug)	1m 57s
build (windows-2019, x64, v142, 17, Release)	4m 2s
build (windows-2019, x64, v142, 17, -DBUILD_SHARED_LIBS=ON, Debug)	2m 9s
build (windows-2019, x64, v142, 17, -DBUILD_SHARED_LIBS=ON, Release)	3m 46s
build (windows-2019, x64, v142, 20, Debug)	2m 44s
build (windows-2019, x64, v142, 20, Release)	5m 37s
build (windows-2022, x64, v143, Debug, 20)	3m 5s
mingw (mingw64)	8m 53s
mingw (ucrt64)	7m 52s
	1h 6m 36s

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