fix macOS CI #565

Job	Run time
Ubuntu 20 GCC	42s
Ubuntu GCC ASAN	2m 15s
Ubuntu GCC UBSAN	1m 57s
Ubuntu GCC MSAN	1m 3s
Ubuntu 20 Clang	47s
Ubuntu 20 Clang 6.0	55s
Ubuntu GCC	51s
Ubuntu GCC OSB	52s
Ubuntu Clang	57s
Ubuntu Clang No Zlib	58s
Ubuntu Clang No Bzip2	58s
Ubuntu Clang No LZMA	54s
Ubuntu Clang No Zstd	52s
Ubuntu Clang No Pkcrypt	1m 3s
Ubuntu Clang No Winzip AES	45s
Ubuntu Clang No Encryption	39s
Ubuntu Clang Compress Only	48s
Ubuntu Clang Decompress Only	47s
Ubuntu Clang OpenSSL	56s
Windows MSVC	3m 50s
Windows GCC Code Coverage	6m 50s
macOS Xcode	45s
macOS Xcode Code Coverage	52s
macOS Xcode LibCompression	51s
macOS Xcode OpenSSL	50s
	32m 57s

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