libarchive: make single bit bitfields unsigned to avoid clang 16 warning
Clang 16 introduced a warning about single bit bitfields in structs,
which is triggered by various declarations in libarchive:
contrib/libarchive/libarchive/archive_write_set_format_7zip.c:1541:13: error: implicit truncation from 'int' to a one-bit wide bit-field changes value from 1 to -1 [-Werror,-Wsingle-bit-bitfield-constant-conversion]
file->dir = 1;
^ ~
contrib/libarchive/libarchive/archive_write_set_format_iso9660.c:5127:15: error: implicit truncation from 'int' to a one-bit wide bit-field changes value from 1 to -1 [-Werror,-Wsingle-bit-bitfield-constant-conversion]
isoent->dir = 1;
^ ~
contrib/libarchive/libarchive/archive_write_set_format_iso9660.c:5213:14: error: implicit truncation from 'int' to a one-bit wide bit-field changes value from 1 to -1 [-Werror,-Wsingle-bit-bitfield-constant-conversion]
isoent->dir = 1;
^ ~
contrib/libarchive/libarchive/archive_write_set_format_iso9660.c:5214:18: error: implicit truncation from 'int' to a one-bit wide bit-field changes value from 1 to -1 [-Werror,-Wsingle-bit-bitfield-constant-conversion]
isoent->virtual = 1;
^ ~
contrib/libarchive/libarchive/archive_write_set_format_iso9660.c:7149:18: error: implicit truncation from 'int' to a one-bit wide bit-field changes value from 1 to -1 [-Werror,-Wsingle-bit-bitfield-constant-conversion]
isoent->virtual = 1;
^ ~
contrib/libarchive/libarchive/archive_write_set_format_iso9660.c:7435:32: error: implicit truncation from 'int' to a one-bit wide bit-field changes value from 1 to -1 [-Werror,-Wsingle-bit-bitfield-constant-conversion]
iso9660->zisofs.detect_magic = 1;
^ ~
contrib/libarchive/libarchive/archive_write_set_format_iso9660.c:7495:25: error: implicit truncation from 'int' to a one-bit wide bit-field changes value from 1 to -1 [-Werror,-Wsingle-bit-bitfield-constant-conversion]
iso9660->zisofs.making = 1;
^ ~
contrib/libarchive/libarchive/archive_write_set_format_iso9660.c:7496:26: error: implicit truncation from 'int' to a one-bit wide bit-field changes value from 1 to -1 [-Werror,-Wsingle-bit-bitfield-constant-conversion]
iso9660->zisofs.allzero = 1;
^ ~
contrib/libarchive/libarchive/archive_write_set_format_iso9660.c:7702:28: error: implicit truncation from 'int' to a one-bit wide bit-field changes value from 1 to -1 [-Werror,-Wsingle-bit-bitfield-constant-conversion]
iso9660->zisofs.allzero = 1;
^ ~
contrib/libarchive/libarchive/archive_write_set_format_iso9660.c:7871:25: error: implicit truncation from 'int' to a one-bit wide bit-field changes value from 1 to -1 [-Werror,-Wsingle-bit-bitfield-constant-conversion]
zisofs->header_passed = 1;
^ ~
contrib/libarchive/libarchive/archive_write_set_format_iso9660.c:7894:24: error: implicit truncation from 'int' to a one-bit wide bit-field changes value from 1 to -1 [-Werror,-Wsingle-bit-bitfield-constant-conversion]
zisofs->initialized = 1;
^ ~Signed one-bit bitfields can only have values -1 and 0, but the intent
here is to use the fields as booleans, so make them unsigned.
This has also been sent upstream.
MFC after: 3 days