Merge branch 'upstream-liblzma' into lzma-threads

Utilities/cmliblzma/common/mythread.h

Utilities/cmliblzma/common/sysdefs.h

Utilities/cmliblzma/common/tuklib_common.h

Utilities/cmliblzma/common/tuklib_config.h

Utilities/cmliblzma/common/tuklib_cpucores.c

Utilities/cmliblzma/common/tuklib_cpucores.h

Utilities/cmliblzma/common/tuklib_integer.h

Utilities/cmliblzma/liblzma/api/lzma.h

Utilities/cmliblzma/liblzma/api/lzma/block.h

Utilities/cmliblzma/liblzma/api/lzma/filter.h

Utilities/cmliblzma/liblzma/api/lzma/hardware.h

Utilities/cmliblzma/liblzma/api/lzma/lzma12.h

Utilities/cmliblzma/liblzma/api/lzma/version.h

Utilities/cmliblzma/liblzma/api/lzma/vli.h

Utilities/cmliblzma/liblzma/check/crc32_fast.c

Utilities/cmliblzma/liblzma/check/crc32_table.c

Utilities/cmliblzma/liblzma/check/crc64_fast.c

Utilities/cmliblzma/liblzma/check/crc64_table.c

Utilities/cmliblzma/liblzma/common/alone_decoder.c

Utilities/cmliblzma/liblzma/common/alone_encoder.c