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align ZEXPORT definitions #557

Job	Run time
Ubuntu 20 GCC	48s
Ubuntu GCC ASAN	2m 24s
Ubuntu GCC UBSAN	2m 25s
Ubuntu GCC MSAN	54s
Ubuntu 20 Clang	41s
Ubuntu 20 Clang 6.0	55s
Ubuntu GCC	1m 0s
Ubuntu GCC OSB	47s
Ubuntu Clang	1m 3s
Ubuntu Clang No Zlib	1m 2s
Ubuntu Clang No Bzip2	57s
Ubuntu Clang No LZMA	1m 14s
Ubuntu Clang No Zstd	1m 1s
Ubuntu Clang No Pkcrypt	57s
Ubuntu Clang No Winzip AES	54s
Ubuntu Clang No Encryption	1m 7s
Ubuntu Clang Compress Only	56s
Ubuntu Clang Decompress Only	1m 0s
Ubuntu Clang OpenSSL	1m 5s
Windows MSVC	2m 53s
Windows GCC Code Coverage	7m 31s
macOS Xcode	1m 6s
macOS Xcode Code Coverage	1m 2s
macOS Xcode LibCompression	1m 3s
macOS Xcode OpenSSL	1m 14s
	35m 59s

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